26 May '15, 10pm

How to mine Bitcoin on a 55-year-old IBM 1401 mainframe

How to mine Bitcoin on a 55-year-old IBM 1401 mainframe

The photo below shows the card deck I used, along with the output of my SHA-256 hash program as printed by the line printer. (The card on the front of the deck is just for decoration; it was a huge pain to punch.) Note that the second line of output ends with a bunch of zeros; this indicates a successful hash. How Bitcoin mining works Bitcoin, a digital currency that can be transmitted across the Internet, has attracted a lot of attention. If you're not familiar with how it works, the Bitcoin system can be thought of as a ledger that keeps track of who owns which bitcoins, and it allows these to be transferred from one person to another. The interesting thing about Bitcoin is there's no central machine or authority keeping track of things. Instead, the records are spread across thousands of machines on the Internet. Further Reading Digging for cryptocurrency: The newbie’s ...

Full article: http://arstechnica.com/business/2015/05/how-to-mine-bitco...

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Someone tried to mine Bitcoin on a 1960s punchc...

motherboard.vice.com 26 May '15, 2pm

It long ago stopped being profitable (or even feasible) to mine Bitcoin on consumer-level hardware. So why not try it out ...

Ken Shirriff's blog: Bitcoin mining on a 55 yea...

righto.com 23 May '15, 7pm

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Bitcoin mining on a 55 year old IBM 1401 mainfr...

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Submissions must be primarily news and developments relating to technology Self posts must contribute positively to /r/tec...

Bitcoin mining on a 55 year old IBM 1401 mainfr...

righto.com 23 May '15, 5pm

job bitcoin * SHA-256 hash * Ken Shirriff http://righto.com ctl 6641 org 087 X1 dcw @[email protected] org 092 X2 dcw @[email protected] org 097 X3 ...

Bitcoin mining on a 55 year old IBM 1401 mainfr...

righto.com 23 May '15, 4pm

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Quanto tempo levaria para minerar bitcoin com um mainframe dos anos 1960?: A operação criptográfica necessária...

Quanto tempo levaria para minerar bitcoin com u...

info.abril.com.br 25 May '15, 8pm

A operação criptográfica necessária para minerar bitcoins é conhecida por exigir uma quantidade enorme de poder de computa...

Why I Never Mine Competitors’ Backlinks

Why I Never Mine Competitors’ Backlinks

searchengineland.com 26 May '15, 2pm

Now, if you knew exactly what caused that imbalance, it would be much easier to correct. Unfortunately, the nature of mark...

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news.mongabay.com 26 May '15, 1am

You have to credit the author and Mongabay.org as listed in the original piece, ideally in the byline, with a link back to...

Is Goldman Sachs Flirting with Bitcoin or the B...

bitcoinmagazine.com 25 May '15, 6pm

New York Times technology and finance reporter Nathaniel Popper’s new book “Digital Gold: Bitcoin and the inside story of ...