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Date: Sun, 16 Apr 2017 22:28:56 -0300
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To: erik@q32.com, Erik Aronesty <earonesty@gmail.com>
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Cc: Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
Subject: Re: [bitcoin-dev] Malice Reactive Proof of Work Additions (MR
 POWA): Protecting Bitcoin from malicious miners
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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.