The Ethereum community received a nasty surprise when the latest Parity multisignature hack was exposed. Someone successfully froze millions of dollars worth of Ether with a smart contract exploit. So far, this matter has not been resolved, and there is evidence of this having been a malicious attack first and foremost. It’s an interesting train of thought advanced by the ARToken team. Parity Multisignature bug may not have been Accidental There has been a lot of interesting information circulated regarding the recent Parity multisignature exploit. The bottom line is that over half a million Ether has been frozen in smart contracts which have yet to be unlocked.