On Apr 16, 2017 6:28 PM, <bfd@cock.lu> wrote:

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.

I have no objections to the use of FPGA or any other commercially available hardware.

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

They make GPUs or FPGAs (as u mentioned) far more affordable. The problem is centralized manufacturing, which, in turn, is a side effect of a covert hardware mining optimization leading to a monopoly.

A rotating POW seems to make ASIC manufacture impractical compared to generalized, commercially available hardware.

It's too bad we can't make the POW somehow dynamic so that any specialized hardware is impossible, and only GPU / FPGA is possible.