Decentralised Collaborative Action: Cryptoeconomics in Space

Blockchains and peer-to-peer systems are part of a trend towards computer systems that are "radically decentralised", by which we mean that they 1 run across many participants, 2 without central control, and 3 are such that qualities 1 and 2 are essential to the system's intended use cases. We...

Upgraded Q -> M from 964 [1666360503408]

Judge has assessed an item in Issue 964 as Medium risk. The relevant finding follows: Non-critical: EIP712 signatures on GolomTrader could be replayed in case of blockchain forks The chainId is burnt into EIP712DOMAINTYPEHASH rather than checked each time. This means that signatures could be...

Denial Of Service (DoS)

bitcoin-ruby is vulnerable to denial of service DoS attacks. There is a flaw in the Merkle hash implementation that Bitcoin uses to calculate the Merkle root in a block header. Block hash collisions can easily be made by duplicating transactions in the Merkle tree. A record collision would preven...