Algorand was the first blockchain I ever used without knowing it - to hold the results of games on the official FIDE chess online tournaments - and I found that

Algorand was the first blockchain I ever used without knowing it - to hold the results of games on the official FIDE chess online tournaments - and I found that pretty cool. No costs etc, just a log on the chain with my matches and scores. This is coming from someone who spent 18 months working on Cardano, too.