Read the opening comment on the issue It's reasonable to expect an attacker to have a SHA256 ASIC given Bitcoin making those a commodity Potentially this can

Read the opening comment on the issue It's reasonable to expect an attacker to have a SHA256 ASIC given Bitcoin making those a commodity Potentially this can be offset if your server has https://en.wikipedia.org/wiki/Intel_SHA_extensions https://en.wikipedia.org/wiki/Intel_SHA_extensions but if you're running on cell phones that's not there See also https://bitcoin.stackexchange.com/questions/36253/what-mining-performance-can-we-roughly-expect-from-the-intel-sha-extensions-of-t https://bitcoin.stackexchange.com/questions/36253/what-minin...