Starknet and Taiko are both Layer 2 solutions designed to enhance Ethereum’s scalability, but they employ different consensus mechanisms. Starknet leverages zk-Rollup technology, where zero-knowledge proofs validate transaction batches off-chain before submitting them to the Ethereum main chain. This method provides instant finality and high security through cryptographic proofs. In contrast, Taiko uses an Optimistic Rollup mechanism, where transactions are assumed valid and submitted off-chain, with a dispute period allowing for fraud proofs to challenge incorrect transactions. This mechanism relies on economic incentives to deter malicious behavior. While Starknet’s zk-Rollup offers stronger security guarantees through mathematical proofs, Taiko’s Optimistic Rollup provides simpler and faster transaction finality under typical conditions, catering to different security and performance needs in various applications.