[bitcoin-dev] Malice Reactive Proof of Work Additions (MR POWA): Protecting Bitcoin from malicious miners

bfd at cock.lu bfd at cock.lu
Mon Apr 17 01:28:56 UTC 2017



On 2017-04-16 17:04, Erik Aronesty via bitcoin-dev wrote:
> This is a great solution.
> 
> 8 or more secure hashes, each of which can be implemented on GPU/CPU,
> but rotate through them - per block round robin.
> 
> Hardware, infrastructue investment is protected.  ASIC is not.
> 

The write time for configuring a FPGA with a fresh bitstream is measured 
in tens of milliseconds.


> ASIC will never beat this - because it will be 8x more expensive to
> maintain the cold circuits.
> 

Unused circuits don't consume power, which is the main cost in running a 
miner.



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