Someone was able to buy BAYC #9991, valued at 84.2ETH, for 0.77ETH. First of all, I don’t consider this person to necessarily be a skilled hacker. It’s probably just a random dev which was playing with opensea API. But how did he pull this off?⚠️ Opensea API is now protected against this kind of attack.The exploit in theoryOpensea allows for gas-free NFT listing via a user generated off-chain signature of the NFT collection, the NFT ID and the NFT price. When this signature is sent to a smart...

Someone was able to buy BAYC #9991, valued at 84.2ETH, for 0.77ETH. First of all, I don’t consider this person to necessarily be a skilled hacker. It’s probably just a random dev which was playing with opensea API. But how did he pull this off?⚠️ Opensea API is now protected against this kind of attack.The exploit in theoryOpensea allows for gas-free NFT listing via a user generated off-chain signature of the NFT collection, the NFT ID and the NFT price. When this signature is sent to a smart...

A DAO is a bunch of people with a shared bank account doing stuff. The technology that allows a community of people to collectively own and manage a treasury lies in blockchains. It’s possible to use a technology such as Ethereum to deploy a bunch of code which:It’s able to own some assets (a treasury)Creates a bunch of shares (a token) which represents ownership of the treasuryOnce this code gets deployed members will all have access to a token which will represent their share in the DAO. Ho...

A DAO is a bunch of people with a shared bank account doing stuff. The technology that allows a community of people to collectively own and manage a treasury lies in blockchains. It’s possible to use a technology such as Ethereum to deploy a bunch of code which:It’s able to own some assets (a treasury)Creates a bunch of shares (a token) which represents ownership of the treasuryOnce this code gets deployed members will all have access to a token which will represent their share in the DAO. Ho...