‘Sequencers’ Are Blockchain’s Air Traffic Control. Here’s Why They’re Misunderstood
Cheap and speedy layer 2 rollup networks like Arbitrum, Optimism, and Coinbase's Base are gaining popularity as alternatives to the congested Ethereum network, but concerns arise over the centralized nature of their sequencers, which could pose risks such as transaction censorship and system failure. However, experts argue that the bigger security concerns for layer 2 networks lie elsewhere, such as the lack of fraud proofs and escape hatch mechanisms.