The Sui blockchain has taken a serious step to overtake transaction dealing with in a serious consensus replace that targets decrease latency and better effectivity.
Abstract
- Sui upgraded its consensus engine to cut back latency.
- Transaction dealing with is now lighter and extra environment friendly.
- A brand new submission path cuts bandwidth and CPU utilization.
Sui is rolling out a brand new model of its consensus engine, designed to make transactions quicker and fewer resource-intensive, with out altering how the community operates at its base layer.
The replace was introduced by Mysten Labs engineers on Nov. 6, outlining how Mysticeti v2 integrates transaction validation instantly into the consensus course of.
A shift in how transactions transfer by the community
Mysticeti, first activated on Sui’s (SUI) mainnet in July 2024, is a DAG-based consensus mannequin constructed for velocity and responsiveness. The purpose was all the time to cut back ready time between when a transaction is submitted and when it turns into ultimate.
Whereas the primary model of Mysticeti improved community latency, a part of Sui’s transaction dealing with nonetheless relied on a separate pre-consensus validation step. That step made sense from a management and safety standpoint, nevertheless it added additional computation and slowed finalization for extra complicated transactions.
Mysticeti v2 eliminates that separation. Validation and consensus now happen concurrently, eliminating redundant work and decreasing the time required to verify non-fast-path transactions. This alteration permits the community to maneuver nearer to the efficiency ranges the unique Mysticeti design aimed for — processing many transactions without delay with out growing community pressure.
A brand new path for submitting transactions
Alongside the consensus change, Sui can be changing its transaction submission circulate. The earlier Quorum Driver despatched each transaction to all validators and required a number of rounds of signature aggregation earlier than ordering may start. This protected the fast-path circulate however consumed a considerable amount of bandwidth and CPU.
The brand new Transaction Driver sends a transaction to only one validator, which then coordinates certification by the community. Signatures are actually batched inside consensus blocks as an alternative of being hooked up to particular person transactions, bringing each bandwidth and compute utilization down.
Mysten Labs reported that early rollout by itself and partner-operated full nodes produced significant reductions in latency, particularly in Asia and Europe. With node model 1.60, Mysticeti v2 and Transaction Driver will turn out to be the default configuration throughout the community.
What comes subsequent
Mysten Labs stated the following section of labor will concentrate on decreasing the typical variety of message rounds wanted to commit transactions, enabling consensus blocks to stream extra on to full nodes, and addressing object-level “impasse” points that seem in sure execution patterns.
These modifications are aimed toward tightening responsiveness whereas preserving the pliability and ownership-based execution mannequin that Sui is constructed on.


