4 ms·

You still wouldn't need that. Trivial counter-examples include proof-of-work (see HashCash) or cryptocurrency micropayments (not necessarily settled on-chain,

by 3np 4y ago

You still wouldn't need that. Trivial counter-examples include proof-of-work (see HashCash) or cryptocurrency micropayments (not necessarily settled on-chain, so transaction fees are not an issue for the user).