[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 

More information about the bitcoin-dev mailing list