Lighter Average Block Proof Time Reduced to 1 Minute

The decentralized perpetual contract protocol Lighter has announced that its average block proof time has decreased from approximately 5.3 minutes to about 1 minute over the past month. This progress was achieved through two independent optimizations launched on July 23 and August 23. Lighter can now complete block verification faster, enhancing processing capacity, reducing infrastructure costs, and creating space for further expansion. The first optimization involves the Heavy/Light decomposition, which splits the transaction circuit into lightweight and heavyweight circuits, allowing simple quote updates to only incur lightweight constraints, thereby halving the proof time. The second optimization comes from a proof competition in collaboration with Eigen Labs, which further reduces the proof time by more than half under the same circuit conditions. The first batch of optimizations went live on August 23, with more batches still in progress. Additionally, on August 10, all Schnorr signature verifications were incorporated into a single Plonky3 proof for each block, resulting in an approximate 20% improvement. The aforementioned optimizations are orthogonal and their effects are additive, with remaining competition optimizations expected to bring about a further 2x improvement, potentially reaching a total of about 10x. Currently, Lighter's sustained processing capacity has exceeded historical peak loads, and the withdrawal finality lower limit has been reduced from approximately 21-22 minutes to about 16-17 minutes, maintaining stability during peak traffic periods.

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