Do we really need a notary that validates?
问题 At the risk of sounding naive, I ask myself "Is a validating notary necessary?", given all the issues with it - transaction and dependencies leak, exposure of state model, to name a few. The answer I hear has something to do with the potential attack where a dishonest node tries to steal someone else's asset. For example, in a legitimate transaction, partyA sold partyB some asset S subject to a Move contract. Immediately afterwards, partyA creates a self-signed transaction that transfers S