Also worth mentioning that other crypto-currencies do not require mining (proof-of-work). They instead use "proof of stake" or "Proof of burn" systems which wou

Also worth mentioning that other crypto-currencies do not require mining (proof-of-work). They instead use "proof of stake" or "Proof of burn" systems which would use less power. Things are still evolving very fast in this space, so you never know what's around the corner!