Bitcoin mining machine assembly electronic manufacturing

OPENDIME PCB panels are pretty (x-post from /r/Bitcoin)

OPENDIME PCB panels are pretty (x-post from /Bitcoin) submitted by ASICmachine to CryptoCurrencyClassic [link] [comments]

[US-FL][H] Bitcoin, Paypal [W] Hot swap 65% PCBs/Cases/Kits

Hey guys! I'm looking for either a complete kit similar to the KBD67 or a standalone hot swap PCB like the DZ65 and a aluminum case like the Tofu or the Tada. I'm sort of new to this form factor so if you have something that fits the description I'm open to other offers.
submitted by flappiest_flapjacks to mechmarket [link] [comments]

Physical Feathercoin tokens! 95 other styles as well.

Ever sit at the computer wondering what happened to your crypto investment? Ever think, 'man I wish I had something to hold in my hand that represented my love of crypto'? Well now you can! Cryptochips.net has high quality poker chips in 95 different styles.
.
New Pictures: http://imgur.com/a/EGE2j
.
We just got a fresh batch of Bitcoin, Litecoin and Dogecoin chips in too. These were previously sold out due to high demand.
.
Each chips is a unique and custom design. Printed in beautiful full color on a 10 gram ceramic polymer poker chip. We do not use stickers.
.
Price: ~$2.50 USD (in crypto only)
.
Site: http://Cryptochips.net
.
Beware of copy-cat site (SCAM): bitchips.net Has been scamming people on reddit and some online forums into paying and then never sending anything.
.
I currently offer free shipping within the USA, and for international orders the shipping is based on the number of chips ordered.
.
Chip Details
.
Pictures
.
How to order
Ordering can be done on the site directly.
  1. Choose the style of chip you want and press the Purchase button.
  2. Select payment type. (Dogecoin, Bitcoin, JBS, Paycoin, Syscoin, Litecoin, Darkcoin, Reddcoin, Pinkcoin, Vericoin)
  3. Confirm and update any quantities for the different styles.
  4. Press the Check Out button.
  5. Enter your shipping information
  6. Press the Complete Order button.
  7. Pay the specified amount to the unique address provided to you. (Payments require 4 confirmations)
  8. Save the status link so you can come back later and see when it ships.
  9. Enjoy your new poker chips!
.
International orders
Most international orders of 4 or less chips can be shipped for about $3 USD. The order info page now has an international button which can calculate the shipping price based on the number of chips.
.
Chip Styles
. . .
Apexcoin ARCHcoin Bitbay
Bitbean Bitcoin Bitcoin PCB
Bitcoin Poker Bitmark Bitswift
Blackcoin 2 Burstcoin CannabisCoin
Checkcoin CLAMs Cloakcoin
Crave Cryptobuck Darkcoin
Darkshibe Dash DigiByte
Dogecoin Dogecoin Blue Dogecoin Dark
Dogecoin White Dogecoin Yellow Eags Currency
Elektron Feathercoin FibreCoin
Fluttercoin Fools Gold Franko
Fuelcoin Gambit Genesis Hashlet
Horizon iCash IOCoin
Jumbucks Librexcoin Lite Doge
Litecoin Litecoin 2 Lunar Shibe
M1 Monero MonetaryUnit
Myriadcoin Nautilus Neoscoin
Nextcoin NooHack nubits
Opalcoin Paycoin Peercoin
Pimpcash Pinkcoin Positron
PotCoin Quarkcoin Razorcoin
Reddcoin Reddit Rocket Shibe
Seedcoin Shadowcoin SMAC
SoonCoin Stealthcoin Syscoin
Tacocoin Teslacoin Tittiecoin
Ultracoin Unobtanium Vericoin
Vericoin Black Vericoin Blue Vericoin Green
Vericoin White Vericoin Yellow Vertcoin
Viacoin World Aid Coin World Trade Funds
Zen Hashlet . .
.
As for proof that I'm real and not a scammer. Sure. My dogecoin verification thread: http://www.reddit.com/dogemarket/comments/1zvcrz/official_verification_thread_xii/cg6mkv3 http://www.reddit.com/dogecoin/comments/2nef59/i_got_some_new_engraved_chips_from_cryptochips_wow/
.
Several twitter posts from happy customers: https://twitter.com/PaytonPeterson/status/525863606307409921?lang=en https://twitter.com/CryptoGekko/status/516055577223393280?lang=en https://twitter.com/CrizzlesButtons/status/487415201470242816?lang=en https://twitter.com/jyap/status/516824855980044288 https://twitter.com/CryptoCayce/status/502539216149311488 https://twitter.com/RedditDogecoin/status/499538706181939201 https://twitter.com/stancarney/status/497813882048499712 https://twitter.com/FrankoCurrency/status/581149975477907456 https://twitter.com/a4xMining/status/575406089304473601
.
Interviews: http://bitcoinist.net/interview-with-yakpimp-ceo-of-crypto-chips-bitcoin-and-cryptocurrency-poker-chip-make https://www.cryptocoinsnews.com/crypto-poker-tokens-prove-big-hit-entrepreneu http://www.altcointoday.com/the-guy-behind-the-poker-chips/
submitted by yakpimp to FeatherCOin [link] [comments]

Physical Tittiecoin tokens! 95 other styles as well.

Ever sit at the computer wondering what happened to your crypto investment? Ever think, 'man I wish I had something to hold in my hand that represented my love of crypto'? Well now you can! Cryptochips.net has high quality poker chips in 95 different styles.
.
New Pictures: http://imgur.com/a/EGE2j
.
We just got a fresh batch of Bitcoin, Litecoin and Dogecoin chips in too. These were previously sold out due to high demand.
.
Each chips is a unique and custom design. Printed in beautiful full color on a 10 gram ceramic polymer poker chip. We do not use stickers.
.
Price: ~$2.50 USD (in crypto only)
.
Site: http://Cryptochips.net
.
Beware of copy-cat site (SCAM): bitchips.net Has been scamming people on reddit and some online forums into paying and then never sending anything.
.
I currently offer free shipping within the USA, and for international orders the shipping is based on the number of chips ordered.
.
Chip Details
.
Pictures
.
How to order
Ordering can be done on the site directly.
  1. Choose the style of chip you want and press the Purchase button.
  2. Select payment type. (Dogecoin, Bitcoin, JBS, Paycoin, Syscoin, Litecoin, Darkcoin, Reddcoin, Pinkcoin, Vericoin)
  3. Confirm and update any quantities for the different styles.
  4. Press the Check Out button.
  5. Enter your shipping information
  6. Press the Complete Order button.
  7. Pay the specified amount to the unique address provided to you. (Payments require 4 confirmations)
  8. Save the status link so you can come back later and see when it ships.
  9. Enjoy your new poker chips!
.
International orders
Most international orders of 4 or less chips can be shipped for about $3 USD. The order info page now has an international button which can calculate the shipping price based on the number of chips.
.
Chip Styles
. . .
Apexcoin ARCHcoin Bitbay
Bitbean Bitcoin Bitcoin PCB
Bitcoin Poker Bitmark Bitswift
Blackcoin 2 Burstcoin CannabisCoin
Checkcoin CLAMs Cloakcoin
Crave Cryptobuck Darkcoin
Darkshibe Dash DigiByte
Dogecoin Dogecoin Blue Dogecoin Dark
Dogecoin White Dogecoin Yellow Eags Currency
Elektron Feathercoin FibreCoin
Fluttercoin Fools Gold Franko
Fuelcoin Gambit Genesis Hashlet
Horizon iCash IOCoin
Jumbucks Librexcoin Lite Doge
Litecoin Litecoin 2 Lunar Shibe
M1 Monero MonetaryUnit
Myriadcoin Nautilus Neoscoin
Nextcoin NooHack nubits
Opalcoin Paycoin Peercoin
Pimpcash Pinkcoin Positron
PotCoin Quarkcoin Razorcoin
Reddcoin Reddit Rocket Shibe
Seedcoin Shadowcoin SMAC
SoonCoin Stealthcoin Syscoin
Tacocoin Teslacoin Tittiecoin
Ultracoin Unobtanium Vericoin
Vericoin Black Vericoin Blue Vericoin Green
Vericoin White Vericoin Yellow Vertcoin
Viacoin World Aid Coin World Trade Funds
Zen Hashlet . .
.
As for proof that I'm real and not a scammer. Sure. My dogecoin verification thread: http://www.reddit.com/dogemarket/comments/1zvcrz/official_verification_thread_xii/cg6mkv3 http://www.reddit.com/dogecoin/comments/2nef59/i_got_some_new_engraved_chips_from_cryptochips_wow/
.
Several twitter posts from happy customers: https://twitter.com/PaytonPeterson/status/525863606307409921?lang=en https://twitter.com/CryptoGekko/status/516055577223393280?lang=en https://twitter.com/CrizzlesButtons/status/487415201470242816?lang=en https://twitter.com/jyap/status/516824855980044288 https://twitter.com/CryptoCayce/status/502539216149311488 https://twitter.com/RedditDogecoin/status/499538706181939201 https://twitter.com/stancarney/status/497813882048499712 https://twitter.com/FrankoCurrency/status/581149975477907456 https://twitter.com/a4xMining/status/575406089304473601
.
Interviews: http://bitcoinist.net/interview-with-yakpimp-ceo-of-crypto-chips-bitcoin-and-cryptocurrency-poker-chip-make https://www.cryptocoinsnews.com/crypto-poker-tokens-prove-big-hit-entrepreneu http://www.altcointoday.com/the-guy-behind-the-poker-chips/
submitted by yakpimp to tittiecoin [link] [comments]

Physical Litedoge tokens! 95 other styles as well.

Ever sit at the computer wondering what happened to your crypto investment? Ever think, 'man I wish I had something to hold in my hand that represented my love of crypto'? Well now you can! Cryptochips.net has high quality poker chips in 95 different styles.
.
New Pictures: http://imgur.com/a/EGE2j
.
We just got a fresh batch of Bitcoin, Litecoin and Dogecoin chips in too. These were previously sold out due to high demand.
.
Each chips is a unique and custom design. Printed in beautiful full color on a 10 gram ceramic polymer poker chip. We do not use stickers.
.
Price: ~$2.50 USD (in crypto only)
.
Site: http://Cryptochips.net
.
Beware of copy-cat site (SCAM): bitchips.net Has been scamming people on reddit and some online forums into paying and then never sending anything.
.
I currently offer free shipping within the USA, and for international orders the shipping is based on the number of chips ordered.
.
Chip Details
.
Pictures
.
How to order
Ordering can be done on the site directly.
  1. Choose the style of chip you want and press the Purchase button.
  2. Select payment type. (Dogecoin, Bitcoin, JBS, Paycoin, Syscoin, Litecoin, Darkcoin, Reddcoin, Pinkcoin, Vericoin)
  3. Confirm and update any quantities for the different styles.
  4. Press the Check Out button.
  5. Enter your shipping information
  6. Press the Complete Order button.
  7. Pay the specified amount to the unique address provided to you. (Payments require 4 confirmations)
  8. Save the status link so you can come back later and see when it ships.
  9. Enjoy your new poker chips!
.
International orders
Most international orders of 4 or less chips can be shipped for about $3 USD. The order info page now has an international button which can calculate the shipping price based on the number of chips.
.
Chip Styles
. . .
Apexcoin ARCHcoin Bitbay
Bitbean Bitcoin Bitcoin PCB
Bitcoin Poker Bitmark Bitswift
Blackcoin 2 Burstcoin CannabisCoin
Checkcoin CLAMs Cloakcoin
Crave Cryptobuck Darkcoin
Darkshibe Dash DigiByte
Dogecoin Dogecoin Blue Dogecoin Dark
Dogecoin White Dogecoin Yellow Eags Currency
Elektron Feathercoin FibreCoin
Fluttercoin Fools Gold Franko
Fuelcoin Gambit Genesis Hashlet
Horizon iCash IOCoin
Jumbucks Librexcoin Lite Doge
Litecoin Litecoin 2 Lunar Shibe
M1 Monero MonetaryUnit
Myriadcoin Nautilus Neoscoin
Nextcoin NooHack nubits
Opalcoin Paycoin Peercoin
Pimpcash Pinkcoin Positron
PotCoin Quarkcoin Razorcoin
Reddcoin Reddit Rocket Shibe
Seedcoin Shadowcoin SMAC
SoonCoin Stealthcoin Syscoin
Tacocoin Teslacoin Tittiecoin
Ultracoin Unobtanium Vericoin
Vericoin Black Vericoin Blue Vericoin Green
Vericoin White Vericoin Yellow Vertcoin
Viacoin World Aid Coin World Trade Funds
Zen Hashlet . .
.
As for proof that I'm real and not a scammer. Sure. My dogecoin verification thread: http://www.reddit.com/dogemarket/comments/1zvcrz/official_verification_thread_xii/cg6mkv3 http://www.reddit.com/dogecoin/comments/2nef59/i_got_some_new_engraved_chips_from_cryptochips_wow/
.
Several twitter posts from happy customers: https://twitter.com/PaytonPeterson/status/525863606307409921?lang=en https://twitter.com/CryptoGekko/status/516055577223393280?lang=en https://twitter.com/CrizzlesButtons/status/487415201470242816?lang=en https://twitter.com/jyap/status/516824855980044288 https://twitter.com/CryptoCayce/status/502539216149311488 https://twitter.com/RedditDogecoin/status/499538706181939201 https://twitter.com/stancarney/status/497813882048499712 https://twitter.com/FrankoCurrency/status/581149975477907456 https://twitter.com/a4xMining/status/575406089304473601
.
Interviews: http://bitcoinist.net/interview-with-yakpimp-ceo-of-crypto-chips-bitcoin-and-cryptocurrency-poker-chip-make https://www.cryptocoinsnews.com/crypto-poker-tokens-prove-big-hit-entrepreneu http://www.altcointoday.com/the-guy-behind-the-poker-chips/
submitted by yakpimp to litedoge [link] [comments]

Physical Viacoin tokens! 95 other styles as well.

Ever sit at the computer wondering what happened to your crypto investment? Ever think, 'man I wish I had something to hold in my hand that represented my love of crypto'? Well now you can! Cryptochips.net has high quality poker chips in 95 different styles.
.
New Pictures: http://imgur.com/a/EGE2j
.
We just got a fresh batch of Bitcoin, Litecoin and Dogecoin chips in too. These were previously sold out due to high demand.
.
Each chips is a unique and custom design. Printed in beautiful full color on a 10 gram ceramic polymer poker chip. We do not use stickers.
.
Price: ~$2.50 USD (in crypto only)
.
Site: http://Cryptochips.net
.
Beware of copy-cat site (SCAM): bitchips.net Has been scamming people on reddit and some online forums into paying and then never sending anything.
.
I currently offer free shipping within the USA, and for international orders the shipping is based on the number of chips ordered.
.
Chip Details
.
Pictures
.
How to order
Ordering can be done on the site directly.
  1. Choose the style of chip you want and press the Purchase button.
  2. Select payment type. (Dogecoin, Bitcoin, JBS, Paycoin, Syscoin, Litecoin, Darkcoin, Reddcoin, Pinkcoin, Vericoin)
  3. Confirm and update any quantities for the different styles.
  4. Press the Check Out button.
  5. Enter your shipping information
  6. Press the Complete Order button.
  7. Pay the specified amount to the unique address provided to you. (Payments require 4 confirmations)
  8. Save the status link so you can come back later and see when it ships.
  9. Enjoy your new poker chips!
.
International orders
Most international orders of 4 or less chips can be shipped for about $3 USD. The order info page now has an international button which can calculate the shipping price based on the number of chips.
.
Chip Styles
. . .
Apexcoin ARCHcoin Bitbay
Bitbean Bitcoin Bitcoin PCB
Bitcoin Poker Bitmark Bitswift
Blackcoin 2 Burstcoin CannabisCoin
Checkcoin CLAMs Cloakcoin
Crave Cryptobuck Darkcoin
Darkshibe Dash DigiByte
Dogecoin Dogecoin Blue Dogecoin Dark
Dogecoin White Dogecoin Yellow Eags Currency
Elektron Feathercoin FibreCoin
Fluttercoin Fools Gold Franko
Fuelcoin Gambit Genesis Hashlet
Horizon iCash IOCoin
Jumbucks Librexcoin Lite Doge
Litecoin Litecoin 2 Lunar Shibe
M1 Monero MonetaryUnit
Myriadcoin Nautilus Neoscoin
Nextcoin NooHack nubits
Opalcoin Paycoin Peercoin
Pimpcash Pinkcoin Positron
PotCoin Quarkcoin Razorcoin
Reddcoin Reddit Rocket Shibe
Seedcoin Shadowcoin SMAC
SoonCoin Stealthcoin Syscoin
Tacocoin Teslacoin Tittiecoin
Ultracoin Unobtanium Vericoin
Vericoin Black Vericoin Blue Vericoin Green
Vericoin White Vericoin Yellow Vertcoin
Viacoin World Aid Coin World Trade Funds
Zen Hashlet . .
.
As for proof that I'm real and not a scammer. Sure. My dogecoin verification thread: http://www.reddit.com/dogemarket/comments/1zvcrz/official_verification_thread_xii/cg6mkv3 http://www.reddit.com/dogecoin/comments/2nef59/i_got_some_new_engraved_chips_from_cryptochips_wow/
.
Several twitter posts from happy customers: https://twitter.com/PaytonPeterson/status/525863606307409921?lang=en https://twitter.com/CryptoGekko/status/516055577223393280?lang=en https://twitter.com/CrizzlesButtons/status/487415201470242816?lang=en https://twitter.com/jyap/status/516824855980044288 https://twitter.com/CryptoCayce/status/502539216149311488 https://twitter.com/RedditDogecoin/status/499538706181939201 https://twitter.com/stancarney/status/497813882048499712 https://twitter.com/FrankoCurrency/status/581149975477907456 https://twitter.com/a4xMining/status/575406089304473601
.
Interviews: http://bitcoinist.net/interview-with-yakpimp-ceo-of-crypto-chips-bitcoin-and-cryptocurrency-poker-chip-make https://www.cryptocoinsnews.com/crypto-poker-tokens-prove-big-hit-entrepreneu http://www.altcointoday.com/the-guy-behind-the-poker-chips/
submitted by yakpimp to viacoin [link] [comments]

[EU-UK][H] Paypal, Bitcoin [W] GH60 PCB

submitted by KZedUK to mechmarket [link] [comments]

ELI5 CNC Parts (Computer/Digital?)

I have access to a 6'x10' gantry CNC with a 4.5kW spindle and I'm totally lost on the parts of a CNC machine/I have a super shallow knowledge base about machine in general. My totally wrong look on CNC parts with circuit boards:
- Why can't i get a PC with the latest most powerful CPU to control the whole machine? Why do i need 4 big thingies (drivers) to control how the machine move in xyz, what are drivers and why are they so big that they need to be installed on a big pcb and have their own air cooling(i guess the big pcb includes the CNC's main control panel too)?
- What's the advantage of a stand alone control panel with it's own OS for a CNC machine? How is it better than a pc that can install any program to control the machine and update frequently?
- Are the controls of a CNC machine very complex? Why dont they make 'add-ons' that can be inserted into pcie slot of a pc and make use of its cpu's processing power that's much more powerful and cheaper than specialized pcb? I know specialized pcb/processors are made to run more efficiently/faster on specific tasks, but are CNC operations as complex as bitcoin mining or server os that need their own pcb?
-I heard some horror story that CNC machine's that uses a pc as control panel could get nasty viruses and brick the whole mechanical thing and it's other digital parts, which doesn't make much sense, i could just get a new pc n plug in with newly installed control software and the mechanical parts should work. Is there truth to it?
- I guess my general feeling is that PC parts are much more accessible and cheaper
Thanks in advance for any answer and your patience for reading my stupid questions!
submitted by Suspicious-Desk-618 to CNC [link] [comments]

[US-CA][H] Plate-mount Gateron Blue Switches [W] PCB-mount Gateron Yellows, Kailh Bronze/Pink, Paypal, Ethereum, Bitcoin

timestamp
Will also trade for (>65x) 5-pin Gateron yellows or (>65x) Kailh speed bronze/pinks.
submitted by paolo2x4 to mechmarket [link] [comments]

Paying $100 Paypal or .2 Bitcoin for PCB design!

I am looking for someone to redesign this board for me https://github.com/LowPowerLab/Moteino/tree/masteR4
instead of the wireless transceiver i would like a CAN bus circuit (MCP2551, MCP2515)
and instead of the 3.3,GND,AR header, i would like CAN_H,GND,CAN_L
http://www.madsciencenotebook.com/arduino-can-bus-interface/ (link doesnt always work, try a few times)
Eagle or KiCad perfered
Edit: done! someone has already claimed this bounty! thank you all for reading
submitted by twek to AskElectronics [link] [comments]

The REAL good ole' days. Can you smell the PCB vapors? /r/Bitcoin

The REAL good ole' days. Can you smell the PCB vapors? /Bitcoin submitted by BitcoinAllBot to BitcoinAll [link] [comments]

[CA-ON] [H] Drop Alt LP, MDA Big Bone with CMYK, Bitcoin and Spacebar kits, 69x Lubed & Filmed Gateron SMD Reds [W] Paypal / EMT / Cash

SOLD

Sold everything as a bundle for $230 USD + shipping.

Album with timestamp

Sound test of the setup

Drop Alt Barebones

It's in excellent condition. There are two very very small scratches, I tried my best to photograph them here. Other than that the fit and finish are flawless. No scratches on the bottom.
It comes with:

69x Gateron Red SMD Switches

MDA Big Bone

Dyesub PBT Keycaps are in excellent condition.

Availability and Shipping

Not FCFS. Priority to those who wants to buy the whole bundle.
Will ship insured via Priority to the US. Will ship only to verified addresses.
Will ship via Canada Post in Canada. Interac EMT is preferred, will pass on the savings to you. Local socially distanced pick up / meet up in Toronto would be preferred.

Prices - SOLD

Item Price (Includes PP fees & shipping to NA*) Price (Local pickup in Toronto)
Drop Alt $140 $135
69x Gateron Red SMD. Lubed & filmed. $55 $50
MDA Big Bone Keycaps with Bitcoin, CMYK and Sparebars kit $95 $85
Bundle: Drop Alt + Switches $185 $175
Bundle: Drop Alt + Switches + MDA Big Bone $260 $240
All prices are in USD. Shipping is included for most places in NA. Some out of the way locations would probably cost more. Please reply before PM.
submitted by SirTimmyTimbit to mechmarket [link] [comments]

Printed Circuit Board (PCB) LED Christmas tree ornaments for sale for Bitcoin

Printed Circuit Board (PCB) LED Christmas tree ornaments for sale for Bitcoin submitted by bitscavenger to Bitcoin [link] [comments]

NVIDIA GeForce MX440 SE (AGP8x,128 MB DDR) *Rare nice golden PCB* is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/computer-hardware/nvidia-geforce-mx440-se-agp8x128-mb-ddr-rare-nice-golden-pcb/

NVIDIA GeForce MX440 SE (AGP8x,128 MB DDR) *Rare nice golden PCB* is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/computer-hardware/nvidia-geforce-mx440-se-agp8x128-mb-ddr-rare-nice-golden-pcb/ submitted by duetschpire to cryptothrift [link] [comments]

ATTN - The first digital ecological platform of eSports based on blockchain technology in the world, most recently invested by IOST on July 1st

ATTN - The first digital ecological platform of eSports based on blockchain technology in the world, most recently invested by IOST on July 1st https://twitter.com/IOST_Offici…/status/1278298432625491968…, now brings great news to followers with tokens event.
Event 1: 200,000 ATTN tokens bounty program spreads through major platforms - bounty link: https://bitcointalk.org/index.php…
Event 2: 300,000 ATTN tokens airdrop - airdrop bot link: u/AttnTokenAirdropBot
Let's enjoy this wonderful summer together with ATTN and earn tokens!
Bitcoin talk user name : TDSB999007

submitted by DT7890 to ClickGemOfficial [link] [comments]

Wallet.dat recovery from stuck hard drive, can I trust data recovery services?

Hey /Bitcoin
An old hard drive of mine stopped spinning, I can hear it trying to start but failing to get enough power trough the motor, or so I think. I have reasons to believe there is a wallet.dat on this drive, somewhere.
Since just swapping the PCB of the hard disk probably won't work, I'll probably have to contact a data recovery expert.
What are your thoughts on letting a specialised company recover a wallet.dat?
I fear the technician could just keep the wallet.dat file for himself and tell me he didn't find anything. Even if I make him sign a contract or something, it's very easy for him to just withold the wallet.dat from me, without leaving any proof.

EDIT: No, I don't even have the public key of the wallet I believe is on the drive. With a public key, it would be easily provable the data recovery company stole the coins if they get moved within the time frame of the data recovery.
submitted by GentCoiners to Bitcoin [link] [comments]

Some folks ask us to mark where exactly they should drill/shoot/destroy their @COLDCARDwallet for permanent disposal. A visual aid was added :)

Some folks ask us to mark where exactly they should drill/shoot/destroy their @COLDCARDwallet for permanent disposal. A visual aid was added :) submitted by rnvk to Bitcoin [link] [comments]

[US-NY] [H] Star Wars/Boba Fett Drop Alt High [W] PayPal, BTC

Timestamp - (Will get better photo's later)

Built this but not feeling the 67 key, too small for my hands.
Drop Alt High (Black) - Swapped out stabs for translucent flashquark plate mounts for 2U and Genuine Cherry for 6.25. Clipped and lubed with teflon lube on inner plastic, super lube for metal/plastic. I wet sanded the plastic ring to even out the hot spots on the LED's, very noticeable over stock. Also placed foam between PCB and case.
Switches - Box Royal's on a few outer keys (esc, arrows ect ect) rest are brown kailh box's (keyboard is obv hot swap)
Caps - GMK Boba Fett set is basically new, only used the keyboard for a day or so.

Will include original box and accessories with alt high, box and all other keys for GMK and a handful of extra browns/box royals.

Just looking to get my money back out of everything. Will ship world-wide! Bitcoin accepted!
Asking - $SOLD SOLD SOLD for keyboard (Will throw in WoB Hiragana Deskpad) if my asking price is met)
Shipping US - $13 (Insurance included)
Shipping CA - $32 (Insurance Included)
Rest of the world - $43 (Insurance Included)
submitted by ramsfan6239 to mechmarket [link] [comments]

BUTTERFLY LABS BUTT BOY BAND BACK: THE STORY BEHIND SCAMMBR

BUTTERFLY LABS BUTT BOY BAND BACK: THE STORY BEHIND SCAMMBR
They say birds of a feather flock together and apparently that now includes butterflies. I recently came across a new crypto/hardware company, AMMBR, doing an ICO that contains at least 7 former members of the infamous Butterfly Labs company in varying capacities.
Interestingly enough, my curiosity was peaked piqued as a family member who was involved with BFL mentioned this project on Facebook and I automatically knew there had to be a connection to BFL because that family member knows practically nothing about cryptocurrency. Unfortunately, it seems he has not learned from his mistakes and is still participating in shady, possibly illicit activities, along with many of his former butts!
I’m now going to connect the dots for you to the people associated with SCAMMBR to show beyond a reasonable doubt that they are a quasi-reincarnation of BFL.
If you go to their website, www.ammbr.com, you can see their team members. Here are some of note:
1.) FORMER BFL Chief Technology Officer: Nasser Ghoseiri
Nasser was the Iranian living in France and one of the three named defendants in the case brought against BFL by the FTC which BFL lost.
BFL CONNECTION:
https://www.ftc.gov/news-events/press-releases/2014/09/ftcs-request-court-halts-bogus-bitcoin-mining-operation
SCAMMBR CONNECTION: Senior IT Consultant
https://www.linkedin.com/in/nasser-ghoseiri-940419a/
2.) FORMER BFL VP of Marketing: Jeff Ownby
Jeff is the infamous character who pulled the trick of buying Buttcoin.org surreptitiously and then chanigng the negative articles to positive. Jeff isn’t listed on the official site, but he’s always worked behind the scenes from my experience as he was never listed as a BFL employee either. While he doesn’t list BFL on his LinkedIn profile, it’s fairly obvious when you read his experience at ForceStream.
BFL CONNECTION:
https://www.coindesk.com/buterfly-labs-accused-buying-blog-hide-negative-search-results
SCAMMBR CONNECTION: VP of Marketing
https://www.linkedin.com/in/jeffownby/
https://www.crunchbase.com/organization/ammbrtech#section-board-members-and-advisors
3.) FORMER BFL Marketing Manager: Jurie Pieterse
Jurie is Jeff’s right-hand man and took over my position after it changed hands once since I left. Wherever Jeff goes, Jurie seems to follow, even on one of their new ventures: https://coinclaim.io/team
BFL CONNECTION:
https://bitcointalk.org/index.php?topic=150803.7895
(ALSO NAMED IN COURT DOCUMENTS FROM FTC CASE TRANSCRIPTS)
SCAMMBR CONNECTION: Chief Marketing Officer
https://www.linkedin.com/in/juriepieterse/
4.) FORMER BFL PRODUCT DESIGN CONSULTANT: Jason Aspinall
Jason was brought in at BFL when the redesign of the BitForce series needed to be done due to heat issues and for a variety of other design issues.
BFL CONNECTION:
https://s3.amazonaws.com/s3.documentcloud.org/documents/1306470/gov-uscourts-mowd-117531-42-7.txt
SCAMMBR CONNECTION: Electro-Mechanical Design & Testing Engineer
https://www.linkedin.com/in/chilled/
5.) FORMER BFL PCB DESIGNEMANUFACTURER: Ankur Patel
BFL used Ankur Patel and his company PCB Overnight for their boards in the miners. These boards suffered numerous problems and could not be produced in the quantity needed.
BFL CONNECTION:
http://www.ftclaw.com/wp-content/uploads/2014/09/FTCButterflyDissolveTRO.pdf
SCAMMBR CONNECTION: Head of PROCUREMENT
https://www.linkedin.com/in/ankur-patel-21552921/

Guess who else is on the team? After checking out their team page, I saw a photo with a few familiar faces. Wanna know who they are?
SCAMMBR TEAM
NOTABLE FIGURES IN PIC:
1.) Third from the left is The Infamous Josh Zerlan, aka Inaba, aka u/NitroWolf, aka BagO’Dicks, former VP of Product Dev at BFL, and now apparently consulting or a part of SCAMMBR according to the “Projects” section of his LinkedIn profile: https://www.linkedin.com/in/josh-zerlan-a4140478/
2.) Four spots to the right of Josh is The Infamous Dave “The Knife” Mcclain, aka "THE MOLE", former BFL Account Manager, who seems to be a part of it as well as he is pictured on their website with their team in a photo which also includes Josh. Not sure what he does there as he has little understanding of cryptocurrency or just about any technical development since the VCR.

BUT WAIT, THERE’S MORE!
SCAMMBR was originally founded in 2017.
(SOURCE: https://tokenmarket.net/blockchain/blockchain/assets/ammb)
(SOURCE: https://www.coinopsy.com/dead-coins/ammb)
However it had two main issues which found itself on the dead coin list until it was recently resurrected, one being lack of interest/exchange listings and the other being a major security vulnerability in the smart contract, and the third being that anything BFL touches turns to shit.
ISSUE ONE: According to the Coinopsy link above, among other interesting reasons, they proclaimed that: “Ammbr was founded in 2017 and is not trading on any exchanges. Was added to the dead coins list due to the fact they did not reach any exchanges after one year and they canceled the ICO.”

ISSUE TWO:THE SCAMMBR SMART CONTRACT BUG:
(SOURCE: https://medium.com/coinmonks/an-inspection-on-ammbr-amr-bug-a53b4050d52)
While this bug affected many ERC-20 contracts, on July 8th, 2018, “John Wick Security Lab revealed highly risky transactions in AMMBR(AMR) contract. It contains an integer overflow bug that could be made use of by hackers calling batchTransfer(), resulting in transferring out tokens without limits.”
This can be seen in this tweet by SCAMMBR where they had to change the smart contract:
https://twitter.com/ammbrplatform/status/1011124298868776960?lang=en

WE'RE NOT DONE YET! SAVE THE BEST FOR LAST!
After doing further research on the SCAMMBR website, because nothing BFL is involved with is ever like it seems, I found some suspect/fake/front companies and astroturfing.
AMMBRPlatform
By all accounts, that sub is highly suspected of astroturfing by shills, employees and their families. Very few posts concern the actual project and the mods are mostly absent. All of the posts repeat the same lines or hashtags, but no comments. Mod u/Jory- doesn't post much in cryptocurrency subs, while u/AMMBRPlatform has never posted.
https://snoopsnoo.comJory-

BLACKBIRD WALLET IS THE BFL BITSAFE:
This is one of my favorite finds as it didn't occur to me until after doing most of my research, but then it clicked suddenly that I knew the design.
BITCOINTALK: https://bitcointalk.org/index.php?topic=4685822.msg%msg_id%
SCAMMBRTECH posted on Bitcointalk on 7/16/18 regarding a new mobile wallet that has yet to come to market, the Blackbird Hardware Wallet. I had never heard of it and apparently, they wanted $299 for it from their shop. Which is...ridiculous. But let's compare the Blackbird Wallet to the BFL Bitsafe that was never released:
PHOTO FROM BLACKBIRD WALLET WEBSITE:
SOURCE: https://blackbirdwallet.io/
https://imgur.com/a/QxGMcPX
PHOTO OF BFL BITSAFE THAT WAS NEVER RELEASED FROM BFL WEBSITE:
SOURCE: https://web.archive.org/web/20160405172202/http://www.butterflylabs.com/bitcoin-hardware-wallet/
https://imgur.com/a/CsVXDbZ
So there you have it folks. Fuck these guys. I spent way to much time on this shit.
submitted by techknowledgy to Buttcoin [link] [comments]

Debunking myths about mining and GPUs

E: Going to bed, will contribute more tomorrow. Thanks for the discussion!
Myth: Mining is more stressful than gaming. Fact: It depends. During the old days, this was plausible, because older GPUs (Pre-polaris) are/were bottlenecked by core clock when mining the most profitable coins. Thus, miners overclocked and overvolted these cards quite frequently, especially with cheap electricity. This meant that those cards were often run hot, pushing the limits and stressing VRM and fans quite a lot. Nowadays, ethash (Ethereum) is the most profitable algorithm for AMD cards 99% of the time, and newer GPUs (Polaris) are limited by memory bandwidth and latency. Miners can underclock core to the low 1100MHz range before seeing performance drop. To save power, miners who know what they are doing also undervolt, since it is no longer necessary to sustain a high core clock. Thus, it is quite feasible to run polaris cards below 70C at a reasonable fan speed. However, dual mining (mining more than one coin at once) does increase power consumption by up to 20%, and there are also idiots who run their polaris cards OCd while mining. With the exception of a few idiots, miners treat their Polaris GPUs pretty much the same; that is, running underclocked and undervolted 24/7 with a memory strap mod and mem OC. On the other hand, former gaming cards are highly variable in use cases. Some gamers leave their cards at stock settings, some undervolt, and some OC and/or overvolt. Most of the time, these cards are thermal cycled far more often than mining cards, which is known to weaken solder. Another thing to consider is that manufacturers have learned (somewhat) from their mistakes of putting shit tier fans in GPUs, and many fans on modern GPUs are ball bearing and/or swappable. Even some budget cards, such as MSI Armor, use decent ball bearing fans. Bottom line: the risk of buying mined Polaris cards is not as high as the risk of buying older mined cards. I would not be against buying mined polaris cards, but it's not necessarily better than buying a gamer's card instead. At the end of the day, it depends more on how the owner treated it than what they used it for.
Myth: GPUs are obsolete because of FPGAs and ASICs Fact: Mostly false. Older algorithms such as scrypt and SHA256 (lite/doge/feathebitcoin etc) are no longer feasible to mine with GPUs, but there have been multiple algorithms since then that are built to deter ASICs; most of the time it is done by making it memory-hard because designing an ASIC with high memory throughput is considerably more expensive to design and manufacture. Many devs prefer their blockchain to be ASIC resistant to avoid the concentration of power problem that Bitcoin is having nowadays, where a giant, near-monopolistic ASIC manufacturer (Bitmain) is causing a lot of (subjective) controversy. Blockchains based on ethash (Ethereum and its forks), equihash (Zcash and its forks) and cryptonight (Monero and forks) are some examples, but there are scores of other shitcoins and a few other algos that are GPU dominant. It is almost impossible that there will be another ASIC takeover, which is what was responsible for the stop in GPU demand in the bitcoin and litecoin days. Bottom line: ASICs no longer threaten GPU miners, or the demand for GPUs
Myth: Ethereum switching to Proof of Stake will kill mining soon Fact: Doomsayers have been preaching about proof of stake since late 2015. It has always been "coming soon." The fact is, the Ethereum roadmap goes from proof of work (mining) -> Casper (mining + PoS) -> Metropolis (PoS). Currently, the release date of Casper is not even announced yet, nor is it being tested in a (public) testnet. Proof of Stake might one day take over, but mining is here to stay for a while yet. Another thing to consider is that there are tons of other GPU mineable blockchains, and although Ethereum is biggest, it is certainly feasible that mining stays profitable even after Ethereum goes PoS (if it ever does). However, it is possible that profits will be low enough to discourage new miners. Bottom line: It's very unlikely. E: I screwed up the roadmap; here is a better source than me with some interesting information: https://www.ethnews.com/ethereums-vitalik-buterin-gives-keynote-on-metropolis
Myth: The current Ethereum demand spike is a bubble Opinion: Honestly, I don't know. I would not be surprised if stricter regulations on ICOs come sooner or later, which would fuck with Ether prices. There is also the inherent volatility of cryptocurrencies. However, it is also possible that blockchain technology continues to gain traction; that is, the price could just as easily go up as go down. Although it's fun to read about other people's opinions, only time-travelling wizards can tell you when it will become economical again to upgrade your poor HD5770. Bottom line: No one knows.
Myth: Miners will "steal" all the RX Vegas Fact: Only a reckless miner would buy Vegas on release, since mining performance is not known. In fact, it is possible that it can't mine at all (or at some stupidly low speed) until devs add support to existing miners. It would be even more reckless than gamers who buy without seeing benchmarks, since at least gamers can expect the games to actually run. It's also not necessarily the case that Vega will be good once miners do add support. Maybe there will be enough reckless miners to affect supply, maybe not. Of course, it is possible that miners will deplete the supply after it is demonstrated that Vega is good for mining. Bottom line: Most miners won't preorder, but it's possible that a significant number will. E: Important to remember that even if mining demand isn't high, doesn't mean that supply will be plentiful.
Myth: Nvidia cards SUCK at mining Fact: Mostly false. They USED to suck in the old pre-Maxwell days, but now they are actually more efficient at mining Ethereum and Zcash compared to AMD cards, even after both cards are undervolted. The flipside is that they (used to) cost more for the equivalent hashrate. For reference, my old 5xRX470 rig drew just under 800W when mining ETH only and hashed at 150MH/s. My current 6xGTX1060 rig draws just over half of that (<450W) and hashes at about 135MH/s. Certainly not as good in raw performance, but they are viable nonetheless, especially given the AMD GPU shortage. In fact, Nvidia cards (1060 and especially 1070) are becoming scarce as well. Bottom line: Nvidia is still the underdog when it comes to mining, but far from irrelevant nowadays.
Myth: 4GB cards will be obsolete for mining soon Fact: FALSE. The Ethereum DAG is not even 3GB yet, and won't be for a few months. The recent reports of 4GB Polaris cards slowing down soon due to DAG size is caused by limited TLB capacity, not VRAM restrictions. Polaris cards will still be able to mine ETH forks such as Expanse and UBIQ without diminished speed, and even if they are used to mine ETH, it is not that much of a performance hit at first. It would certainly not make polaris useless or undesirable for mining anytime soon. Tahiti GPUs already suffer from this issue and Hawaii is the most resistant to this issue. Have not benched Nvidia at a later epoch.
Myth: Creating miner-bashing posts on Reddit will help alleviate the GPU supply problem Fact: False, you are simply giving cryptocurrencies and mining more exposure to the general public, increasing demand.
Myth: Mining-specific GPUs will solve the shortage problems Opinion: There's not enough info to tell yet, but I am a skeptic for the following reasons. First, no display limits the resale value of the card for obvious reasons. IMO, the whole point of crypto mining from a profitability standpoint is to have a hedge against coin volatility (hardware is still worth something if the coin crashes). Otherwise it is much less effort to just buy and hold the coin. If the hardware is useless without demand from other (significant) sources, then it doesn't make much sense to buy it unless the price is extremely low. I'm sure that cost-downing the PCB and warranty will make for a cheap card, but it has to be extremely cheap and plentiful in supply, or else miners will buy whatever they can get. I could envision "failed" chips (not meeting spec of consumer editions) being stuck in miner cards, but I doubt there are enough to meet demand without ramping up production as a whole, which carries its own risks. I guess that it would help a little, but probably not solve the problems. Alternatively, since modern GPUs are bottlenecked by RAM when mining, it might be enticing to miners to have the fastest (GDDR5) RAM on the market (probably the 9gbps chips from the 1060 6G 9gbps edition, although I don't have one to test). However, my previous points still apply; buying such a card without display outputs carries a big risk. Bottom line: It's not a great idea, unless they are super cheap or use really good RAM.
Hope this helped; if you have any further questions I will try to answer them. I'm both a gamer and miner who uses both AMD and Nvidia roughly equally and don't favor one group over another. I've mined and gamed on all high end AMD GPUs since Tahiti (except Tonga) and all Pascal cards except 1050ti.
submitted by key_smash to Amd [link] [comments]

I started a small business using a fraction of a bitcoin given to me on this sub in 2013. Just wanted to say thanks to everyone

I was originally disappointed with some poor experiences using Coinbase and mentioning my issues on this sub. I never asked for anything, simply was whining about problems I had with Coinbase at the time when they were being flooded with new accounts and support requests.
Everyone was great about helping me out and pointing me in the right direction to have things set up properly. Unexpectedly, someone sent me about a quarter of a bitcoin to repair my feelsies, which was quite a lot of currency to send over the internet to a stranger, especially on an alt account that had been fairly recently created.
I ended up using it to cover the costs of starting a little business. I now manufacture stenography keyboards that are compatible with Plover for stuff like live transcription (or just fast typing in general). Now that the design all done, I'll soon be uploading the PCB files and case design online to be freely used for anyone to make or modify, even for commercial purposes, under the TAPR Open Hardware License.
I know I might be better off hodling, but I like the idea of actively using bitcoin more than storing it away.
Thanks, /Bitcoin, for helping me get to this point. Even when I didn't deserve it.
submitted by EcahUruecah to Bitcoin [link] [comments]

Technical Cryptonight Discussion: What about low-latency RAM (RLDRAM 3, QDR-IV, or HMC) + ASICs?

The Cryptonight algorithm is described as ASIC resistant, in particular because of one feature:
A megabyte of internal memory is almost unacceptable for the modern ASICs. 
EDIT: Each instance of Cryptonight requires 2MB of RAM. Therefore, any Cryptonight multi-processor is required to have 2MB per instance. Since CPUs are incredibly well loaded with RAM (ie: 32MB L3 on Threadripper, 16 L3 on Ryzen, and plenty of L2+L3 on Skylake Servers), it seems unlikely that ASICs would be able to compete well vs CPUs.
In fact, a large number of people seem to be incredibly confident in Cryptonight's ASIC resistance. And indeed, anyone who knows how standard DDR4 works knows that DDR4 is unacceptable for Cryptonight. GDDR5 similarly doesn't look like a very good technology for Cryptonight, focusing on high-bandwidth instead of latency.
Which suggests only an ASIC RAM would be able to handle the 2MB that Cryptonight uses. Solid argument, but it seems to be missing a critical point of analysis from my eyes.
What about "exotic" RAM, like RLDRAM3 ?? Or even QDR-IV?

QDR-IV SRAM

QDR-IV SRAM is absurdly expensive. However, its a good example of "exotic RAM" that is available on the marketplace. I'm focusing on it however because QDR-IV is really simple to describe.
QDR-IV costs roughly $290 for 16Mbit x 18 bits. It is true Static-RAM. 18-bits are for 8-bits per byte + 1 parity bit, because QDR-IV is usually designed for high-speed routers.
QDR-IV has none of the speed or latency issues with DDR4 RAM. There are no "banks", there are no "refreshes", there are no "obliterate the data as you load into sense amplifiers". There's no "auto-charge" as you load the data from the sense-amps back into the capacitors.
Anything that could have caused latency issues is gone. QDR-IV is about as fast as you can get latency-wise. Every clock cycle, you specify an address, and QDR-IV will generate a response every clock cycle. In fact, QDR means "quad data rate" as the SRAM generates 2-reads and 2-writes per clock cycle. There is a slight amount of latency: 8-clock cycles for reads (7.5nanoseconds), and 5-clock cycles for writes (4.6nanoseconds). For those keeping track at home: AMD Zen's L3 cache has a latency of 40 clocks: aka 10nanoseconds at 4GHz
Basically, QDR-IV BEATS the L3 latency of modern CPUs. And we haven't even begun to talk software or ASIC optimizations yet.

CPU inefficiencies for Cryptonight

Now, if that weren't bad enough... CPUs have a few problems with the Cryptonight algorithm.
  1. AMD Zen and Intel Skylake CPUs transfer from L3 -> L2 -> L1 cache. Each of these transfers are in 64-byte chunks. Cryptonight only uses 16 of these bytes. This means that 75% of L3 cache bandwidth is wasted on 48-bytes that would never be used per inner-loop of Cryptonight. An ASIC would transfer only 16-bytes at a time, instantly increasing the RAM's speed by 4-fold.
  2. AES-NI instructions on Ryzen / Threadripper can only be done one-per-core. This means a 16-core Threadripper can at most perform 16 AES encryptions per clock tick. An ASIC can perform as many as you'd like, up to the speed of the RAM.
  3. CPUs waste a ton of energy: there's L1 and L2 caches which do NOTHING in Cryptonight. There are floating-point units, memory controllers, and more. An ASIC which strips things out to only the bare necessities (basically: AES for Cryptonight core) would be way more power efficient, even at ancient 65nm or 90nm designs.

Ideal RAM access pattern

For all yall who are used to DDR4, here's a special trick with QDR-IV or RLDRAM. You can pipeline accesses in QDR-IV or RLDRAM. What does this mean?
First, it should be noted that Cryptonight has the following RAM access pattern:
QDR-IV and RLDRAM3 still have latency involved. Assuming 8-clocks of latency, the naive access pattern would be:
  1. Read
  2. Stall
  3. Stall
  4. Stall
  5. Stall
  6. Stall
  7. Stall
  8. Stall
  9. Stall
  10. Write
  11. Stall
  12. Stall
  13. Stall
  14. Stall
  15. Stall
  16. Stall
  17. Stall
  18. Stall
  19. Read #2
  20. Stall
  21. Stall
  22. Stall
  23. Stall
  24. Stall
  25. Stall
  26. Stall
  27. Stall
  28. Write #2
  29. Stall
  30. Stall
  31. Stall
  32. Stall
  33. Stall
  34. Stall
  35. Stall
  36. Stall
This isn't very efficient: the RAM sits around waiting. Even with "latency reduced" RAM, you can see that the RAM still isn't doing very much. In fact, this is why people thought Cryptonight was safe against ASICs.
But what if we instead ran four instances in parallel? That way, there is always data flowing.
  1. Cryptonight #1 Read
  2. Cryptonight #2 Read
  3. Cryptonight #3 Read
  4. Cryptonight #4 Read
  5. Stall
  6. Stall
  7. Stall
  8. Stall
  9. Stall
  10. Cryptonight #1 Write
  11. Cryptonight #2 Write
  12. Cryptonight #3 Write
  13. Cryptonight #4 Write
  14. Stall
  15. Stall
  16. Stall
  17. Stall
  18. Stall
  19. Cryptonight #1 Read #2
  20. Cryptonight #2 Read #2
  21. Cryptonight #3 Read #2
  22. Cryptonight #4 Read #2
  23. Stall
  24. Stall
  25. Stall
  26. Stall
  27. Stall
  28. Cryptonight #1 Write #2
  29. Cryptonight #2 Write #2
  30. Cryptonight #3 Write #2
  31. Cryptonight #4 Write #2
  32. Stall
  33. Stall
  34. Stall
  35. Stall
  36. Stall
Notice: we're doing 4x the Cryptonight in the same amount of time. Now imagine if the stalls were COMPLETELY gone. DDR4 CANNOT do this. And that's why most people thought ASICs were impossible for Cryptonight.
Unfortunately, RLDRAM3 and QDR-IV can accomplish this kind of pipelining. In fact, that's what they were designed for.

RLDRAM3

As good as QDR-IV RAM is, its way too expensive. RLDRAM3 is almost as fast, but is way more complicated to use and describe. Due to the lower cost of RLDRAM3 however, I'd assume any ASIC for CryptoNight would use RLDRAM3 instead of the simpler QDR-IV. RLDRAM3 32Mbit x36 bits costs $180 at quantities == 1, and would support up to 64-Parallel Cryptonight instances (In contrast, a $800 AMD 1950x Threadripper supports 16 at the best).
Such a design would basically operate at the maximum speed of RLDRAM3. In the case of x36-bit bus and 2133MT/s, we're talking about 2133 / (Burst Length4 x 4 read/writes x 524288 inner loop) == 254 Full Cryptonight Hashes per Second.
254 Hashes per second sounds low, and it is. But we're talking about literally a two-chip design here. 1-chip for RAM, 1-chip for the ASIC/AES stuff. Such a design would consume no more than 5 Watts.
If you were to replicate the ~5W design 60-times, you'd get 15240 Hash/second at 300 Watts.

RLDRAM2

Depending on cost calculations, going cheaper and "making more" might be a better idea. RLDRAM2 is widely available at only $32 per chip at 800 MT/s.
Such a design would theoretically support 800 / 4x4x524288 == 95 Cryptonight Hashes per second.
The scary part: The RLDRAM2 chip there only uses 1W of power. Together, you get 5 Watts again as a reasonable power-estimate. x60 would be 5700 Hashes/second at 300 Watts.
Here's Micron's whitepaper on RLDRAM2: https://www.micron.com/~/media/documents/products/technical-note/dram/tn4902.pdf . RLDRAM3 is the same but denser, faster, and more power efficient.

Hybrid Cube Memory

Hybrid Cube Memory is "stacked RAM" designed for low latency. As far as I can tell, Hybrid Cube memory allows an insane amount of parallelism and pipelining. It'd be the future of an ASIC Cryptonight design. The existence of Hybrid Cube Memory is more about "Generation 2" or later. In effect, it demonstrates that future designs can be lower-power and give higher-speed.

Realistic ASIC Sketch: RLDRAM3 + Parallel Processing

The overall board design would be the ASIC, which would be a simple pipelined AES ASIC that talks with RLDRAM3 ($180) or RLDRAM2 ($30).
Its hard for me to estimate an ASIC's cost without the right tools or design. But a multi-project wafer like MOSIS offers "cheap" access to 14nm and 22nm nodes. Rumor is that this is roughly $100k per run for ~40 dies, suitable for research-and-development. Mass production would require further investments, but mass production at the ~65nm node is rumored to be in the single-digit $$millions or maybe even just 6-figures or so.
So realistically speaking: it'd take ~$10 Million investment + a talented engineer (or team of engineers) who are familiar with RLDRAM3, PCIe 3.0, ASIC design, AES, and Cryptonight to build an ASIC.

TL;DR:

submitted by dragontamer5788 to Monero [link] [comments]

DIY - BitCoin mining ASIC Avalon Gen 2 A3255-Q48, PCB 16 chips - 26GH/s New Latest Bitcoin Mining Website High Paying BTC Earning ... What is Bitcoin? (v1) - YouTube Bitcoin - YouTube Testing of BitFury ASIC with BitCentury Prototype PCB

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