Posts Tagged SHA-256
Faster SHA-256 ASICs using carry reduced adders
Posted by SDLerner in Uncategorized on February 17, 2015
The core part of Bitcoin mining is performing a double SHA-256 hash digest and comparing the result against the target. Two years ago, in 2013, the first Bitcoin ASIC miners appeared on the market. Since then, mining ASIC technology advanced both in terms of the manufacturing technology (the node) and in terms of design, to […]
The re-design of the Bitcoin block header
Posted by SDLerner in Uncategorized on March 18, 2014
Today is the third time I find an attack to the way Bitcoin uses SHA-256 to perform mining. Two of the attacks belong to a new family of attacks that involve terribly technical details about the inner workings of SHA-256. These are attacks that may impact on Bitcoin probably not before 5 years, and they […]
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