With the first release of ZeppelinOS two months ago, the key issue we wanted to tackle was upgradeability: that is, the ability to modify the logic of a smart contract…
The Parity Wallet Hack Reloaded
Today we witnessed a possible major attack on the Parity MultiSig contract. This follows a previous hack in July. Estimated losses may total over 500,000 ETH ($150 million USD), including over 300,000…