This seems appropriate, given that proof of work was originally invented to combat spam [1]. [1] https://en.m.wikipedia.org/wiki/Proof-of-work_system https://e

This seems appropriate, given that proof of work was originally invented to combat spam [1]. [1] https://en.m.wikipedia.org/wiki/Proof-of-work_system https://en.m.wikipedia.org/wiki/Proof-of-work_system