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SUI News Today: Sui's Mysticeti v2 Integrates Validation Within Consensus for Enhanced Efficiency

SUI News Today: Sui's Mysticeti v2 Integrates Validation Within Consensus for Enhanced Efficiency

Bitget-RWA2025/11/07 05:48
By:Bitget-RWA

- Sui Network's Mysticeti v2 merges transaction validation into consensus, reducing latency by 35% and improving efficiency. - The update introduces a Transaction Driver that streamlines submission, cuts bandwidth usage, and enables faster confirmations via optimized validation. - Asia's nodes saw latency drop from 1.00s to 0.65s, while Europe improved by 25%, validating the protocol's performance gains. - Future updates aim to reduce message rounds and enable direct block streaming, reinforcing Sui's fast

Sui Network has introduced Mysticeti v2, a significant update to its consensus protocol based on Directed Acyclic Graphs (DAG), achieving a 35% decrease in transaction latency and boosting overall performance. This release incorporates transaction validation directly within the consensus mechanism, removing extra steps that previously caused additional computational work and delays, as detailed in the

. The update also debuts the Transaction Driver, a more efficient client-side tool that streamlines how transactions are submitted and confirmed, according to a . Initial testing reveals notable latency improvements, especially for nodes in Asia and Europe, with Asian nodes seeing latency drop from about 1.00s to roughly 0.65s (refer to the Mysticeti v2 post).

Mysticeti was first rolled out on Sui’s mainnet in July 2024, designed to separate transaction broadcasting from ordering, which supports high throughput and resists censorship, as outlined in the Mysticeti v2 post. However, the original version kept a validation step before consensus, requiring validators to vote on transaction approval. While this safeguarded the network, it also increased latency for non-fastpath transactions—those that involve shared objects rather than exclusively owned ones, per the Mysticeti v2 post.

SUI News Today: Sui's Mysticeti v2 Integrates Validation Within Consensus for Enhanced Efficiency image 0
Mysticeti v2 now integrates this validation into the consensus itself, so transactions are finalized at the same time as blocks are committed. Transactions are considered finalized once they collect enough certificates, while blocks continue to follow the original DAG commit protocol, as noted in the Blockonomi article. This adjustment removes the need for separate validation cycles, cutting down both computational requirements and finalization time.

The Transaction Driver further refines transaction handling by replacing the earlier Quorum Driver system. Previously, transactions were sent to all validators, which required multiple rounds of signature collection and used substantial bandwidth and processing power, according to the Mysticeti v2 post. The new driver sends transactions to a single validator, who then manages certification across the network. Signatures are grouped within consensus blocks, greatly reducing bandwidth and computational demands, as explained in the Blockonomi article. Validators are chosen based on past latency to speed up confirmations, and the system includes robust retry and DoS protection mechanisms, as described in the Mysticeti v2 post.

Performance tests from Mysten Labs and its partners validate these enhancements. Full nodes in Asia experienced a 35% drop in latency, while those in Europe saw a 25% improvement, according to data from the Mysticeti v2 post. The Transaction Driver is now standard in

node v1.60, with upcoming releases aiming for even greater efficiency. Planned improvements include lowering the typical number of message exchanges needed to finalize transactions (from four to three) and allowing consensus blocks to be streamed directly to full nodes, as mentioned in the Mysticeti v2 post. Further protocol changes are also in the works to avoid "deadlocks" during object execution, ensuring smooth transaction handling in all scenarios, the Blockonomi article adds.

This upgrade highlights Sui’s dedication to its fastpath finality approach, where transactions involving only owned objects can be confirmed without full consensus, as explained in the Mysticeti v2 post. By refining both validation and submission, Mysticeti v2 moves the network closer to its optimal performance while maintaining robust security and scalability.

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