Every financial operation that runs onchain is ultimately a smart contract executing. It means the speed of the engine running those contracts sets a hard ceiling on how much activity a network can handle.
“Institutions will not build markets on infrastructure that cannot keep up, and they will not put customer assets on infrastructure they cannot trust,” said Avery Ching, co-founder and CEO of Aptos Labs. MonoMove, he said, is designed to solve both problems at once.
What the benchmarks show
Aptos Labs tested MonoMove by replaying real transactions from its mainnet and measuring how much faster the new engine processed them compared to the current one.
On Decibel, the fully onchain exchange incubated by Aptos Labs, collateral withdrawals ran up to 55 times faster and order placements up to 22 times faster than the existing engine, the company said.
Avery Ching is the CEO and Co-Founder of Aptos Labs. (Source: Aptos)
Beyond individual transactions, end-to-end sequential throughput, a measure of how many transactions the system can process over time, improved by up to 11 times on internal benchmarks. Those tests simulated orderbooks, liquidity pools, lending markets, oracle updates and payment flows.
Aptos Labs noted that most of the remaining bottleneck sits between execution and the storage layer. It’s a sign of how far the engine itself has advanced.
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Security built into the machine
Speed alone is not enough for institutions managing customer assets. MonoMove preserves the rules baked into Move, Aptos’ native programming language, that govern how digital assets are created, copied and transferred.
It also adds redundant checks designed to protect assets even if a bug appears in the verifier or virtual machine.That eliminates certain classes of failure at the engine level rather than relying solely on application-layer safeguards.
“MonoMove would deliver the fastest smart contract execution we have ever measured on top of the strongest security model in blockchain,” Ching said. “This is the infrastructure institutional finance requires, and we are building it.”
What comes next
MonoMove is expected to reach feature completeness by the end of 2026. The mainnet rollout is planned for 2027 following a governance vote.
Aptos Labs said it is continuing to validate the engine through extensive testing and fuzzing. It also plans to apply formal verification, a mathematical method used to prove software behaves correctly, to critical components before deployment.
