Energy-efficient bitcoin mining hardware accelerators
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United States of America Patent
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Jun 4, 2019
Grant Date -
Jan 4, 2018
app pub date -
Jun 29, 2016
filing date -
Jun 29, 2016
priority date (Note) -
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Abstract
A processing system includes a processor to construct an input message comprising a target value and a nonce and a hardware accelerator, communicatively coupled to the processor, implementing a plurality of circuits to perform stage-1 secure hash algorithm (SHA) hash and stage-2 SHA hash, wherein to perform the stage-2 SHA hash, the hardware accelerator is to perform a plurality of rounds of compression on state data stored in a plurality of registers associated with a stage-2 SHA hash circuit using an input value, calculate a plurality of speculative computation bits using a plurality of bits of the state data, and transmit the plurality of speculative computation bits to the processor.
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