For things like not letting you overspend an account, blockchains are better (CRDTs exist to do this but have some undesirable properties). There exist a start

For things like not letting you overspend an account, blockchains are better (CRDTs exist to do this but have some undesirable properties). There exist a startlingly low number of cases where a CRDT expressing strong eventual consistency doesn't cut it, though.