MultiversX has launched its Supernova protocol upgrade on testnet, a change that separates consensus from execution and lets network nodes agree on blocks before transaction execution is complete, according to Cointelegraph.
High-performance blockchains often run into the same architectural limit: execution sits directly in the path of consensus. In a conventional synchronous model, validators first execute the transactions inside a block to confirm that the resulting state transitions are valid. Only then can they vote on that block.
That structure keeps the network deterministic, but it also turns computation into a shared bottleneck. As transaction logic becomes more demanding, whether through richer smart contract behavior, cross-system coordination or heavier state updates, network speed depends more heavily on how fast validators can process those computations. The slowest step on that path can end up setting the pace for the entire system. Cointelegraph noted that many networks have already spent years improving finality, networking efficiency and block propagation, leaving execution as the next architectural constraint.
Supernova changes the order of block production
Before Supernova, block production followed a sequential flow. A proposer selected transactions, executed them locally and then proposed a block carrying those results. Validators had to re-execute the same transactions before casting their votes, which kept execution on the consensus-critical path.
Supernova changes that sequence. The proposer now selects transactions and proposes the block without executing them first. Validators verify that the proposal follows protocol rules and can vote right away, while execution continues asynchronously in the background. The resulting execution output is normally referenced and notarized in the next block header, so execution trails consensus by about one block, or around 600 milliseconds.
That separation creates an immediate validity problem: the network still has to determine whether a proposed transaction is likely to remain valid before execution catches up. MultiversX addresses that issue with a virtual mempool state.
The mempool view looks beyond the latest executed chain state. It tracks pending nonces, expected balance consumption and transactions that have already been proposed but whose execution results have not yet passed consensus. That gives proposers a forward-looking view of account activity and helps them choose transactions that should still execute successfully once their turn arrives.
MultiversX also introduced two safeguards around the new pipeline. The Execution-Result Inclusion Estimator, or EIE, caps how many execution results can be referenced in a block based on what minimum-spec nodes can safely process. A separate automatic backpressure mechanism reduces block capacity if execution falls too far behind, giving the system time to catch up.
CTDG ties into the upgrade story
The upgrade also fits into broader work between Cointelegraph Decentralization Guardians, or CTDG, and MultiversX. Cointelegraph joined the network as a validator through the CTDG program in March 2026, extending the relationship into infrastructure participation.
MultiversX is also an official CTDG Dev Hub partner, linking the protocol with a wider community of developers and blockchain users. Cointelegraph said the relationship already has practical depth: the MultiversX Foundation delegated to the CTDG validator, and the Dev Hub team built a dedicated validator dashboard on MultiversX.
Targeting low-latency onchain applications
From a builder’s perspective, in-shard finality arrives as soon as the proof is available, usually within the same round at roughly 100 to 250 milliseconds, along with more predictable execution conditions. Cointelegraph said those conditions matter most for applications that depend on tight feedback loops, including high-frequency DeFi primitives, onchain order books and other systems that start to break down when latency reaches the user experience.
Supernova has already been producing 600-millisecond blocks on the live testnet and devnet since Aug. 20, with the broader goal of making onchain interactions feel immediate, according to the report. Mainnet activation is expected to follow on Sept. 10, 2026.
Cointelegraph added that the transition reflects a wider push toward blockchains that behave more like responsive application infrastructure than delayed settlement engines.