I've done all sorts of "mining" since 2010, bitcoin, ethereum ( eth really ), monero, etc... and I've come to the same conclusion as you ( as far as proof-of-wo

I've done all sorts of "mining" since 2010, bitcoin, ethereum ( eth really ), monero, etc... and I've come to the same conclusion as you ( as far as proof-of-work being wasted electricity/time/and effort ), recently I've switched to "mergefolding", folding@home and curecoin, see: https://curecoin.net/dev-blog/merge-folding-rewards-fldc-and-more/ https://curecoin.net/dev-blog/merge-folding-rewards-fldc-and... it makes me feel good that there's some possibility my proof-of-work could actually help someone someday.