According to ChainCatcher, Unichain has announced the implementation of a TEE-based block construction mechanism, becoming the first L2 network to adopt this method. This design achieves transaction priority ordering, MEV protection, and transaction rollback protection.
Unichain states that the sorting mechanism of traditional Rollups is usually an offline operation, which is difficult to audit. Its TEE sorting system can publicly prove the order of transactions, reducing the loss of MEV value. The rollback protection mechanism prevents users from losing Gas in failed transactions, enhancing price accuracy and block space utilization efficiency. These features are supported by Rollup-Boost, developed in collaboration with Uniswap Labs and Flashbots.