DoS Attacks and Defense Technologies in Blockchain Systems: a Hierarchical Analysis

Blockchain technology is widely used in various fields due to its ability to provide decentralization and trustless security. This is a fundamental understanding held by many advocates, but it is misunderstood, leading participants to fail to recognize the limitations of the security that...

Are Crypto Ecosystems (De)Centralizing? A Framework for Longitudinal Analysis

Blockchain technology relies on decentralization to resist faults and attacks while operating without trusted intermediaries. Although industry experts have touted decentralization as central to their promise and disruptive potential, it is still unclear whether the crypto ecosystems built around...

Sei Giga

We introduce the Sei Giga, a multi-concurrent producer parallelized execution EVM layer one blockchain. In an internal testnet Giga has achieved 5 gigagas/sec throughput and sub 400ms finality. Giga uses Autobahn for consensus with separate DA and consensus layers requiring f+1 votes for a PoA on...

verifyWithdrawalCredentialsAndBalance does not verify that oracleBlockNumber is the latest block number.

Lines of code Vulnerability details Impact After participating in Ethereum Staking, you may receive shares based on your balance when it was 32 ETH, even though you may have suffered a certain level of slashing at 32 ETH. Until some conscientious watcher proves the slashing in the Consensus Layer...