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Aptos

Aptos is a layer 1 blockchain that uses Move for smart contracts and a parallel execution engine for transactions. Modules and resources define assets and permissions. It offers an alternative for applications that can adopt a stack distinct from Solidity and need explicit control over how their state evolves.

Written by Isaac GonzálezUpdated October 11, 2026

Key takeaways

  • Move expresses resources and the operations permitted to modify them.
  • Block-STM resolves dependencies between transactions executed in parallel.
  • Aptos standards and tools require a dedicated integration; they are not EVM.

What is Aptos?

Aptos combines Move contracts with infrastructure designed for concurrent execution. Modules define functions and resources; products use that model to represent assets, permissions and state changes.

Adoption should start with the resource design and the team that will maintain it. Development does not consist of deploying Ethereum bytecode. It requires Aptos tooling and tests, plus adaptations to frontend transaction signing and backend data queries. The scope therefore includes the complete integration, not just translating a contract from one language to another.

How it works

Block-STM supports parallel transaction execution and resolves conflicts caused by access to shared state. Its purpose is to preserve a coherent result without requiring every application operation to be processed strictly in sequence.

At contract level, Move controls resource use and which modules may perform particular actions. Business rules remain the developer’s responsibility. Tests must therefore cover authorization, limits and concurrent workloads, especially where many operations attempt to update the same record. Protocol throughput alone cannot predict that application’s behaviour.

A resource type and its module functions constrain creation, modification and transfer. These language protections do not decide who should receive administrative authorisation. Document capabilities and package upgrade policies, and test contract behaviour with users lacking the required permissions.

What Aptos offers

Aptos can fit digital asset applications with frequent user activity when a team can develop and maintain Move. Its asset standards help products avoid defining every balance or digital unit representation from scratch.

We evaluate the journey from account creation through transaction submission to retrieving the result. Wallets, indexing and external dependencies are part of that assessment. If sponsored transactions are used, their budget and eligibility rules belong in the operational design from the start, with a fallback for users when sponsorship is unavailable.

In a usage-rights registry, the module can control issuance, expiry and revocation while the backend links operations to the commercial system. Design should account for simultaneous actions and state changes between reading and submitting. A useful prototype includes contention on the same resources and recovery from an uncertain RPC response, alongside independent transactions.

Limitations and selection criteria

Parallel execution does not guarantee equal performance for all contracts: dependencies on shared data shape the outcome. Move also cannot prevent every business-rule defect, excessive permission or incorrect external-service integration.

Sui shares the language’s origins but differs in its object model and tooling. An EVM network may require less adaptation where substantial Solidity code already exists. A useful comparison includes migration work, dependency availability and maintenance skills, alongside protocol capabilities. Those costs can outweigh a theoretical execution advantage for an existing product.

Development at Metlabs

How we approach a project with Aptos

Development capabilities and use cases to assess how Aptos fits your product.

What we build with Aptos at Metlabs

  • Move modules

    Resource, permission and operation design with tests for expected behaviour.

  • Digital assets

    Aptos asset standards with issuance, transfer and administration rules.

  • Applications and indexing

    Wallet connectivity and event queries that keep frontend and backend state aligned.

  • Use case

    Product assets

    Digital units and balances with explicit control and administration rules.

  • Use case

    Integrated payments

    Operations with state tracking and reconciliation within an application.

Related content

Go deeper on Aptos

Other Metlabs pages that expand on this entry.

Building on Aptos?

We analyze your case, pick the right stack and ship a production-ready solution.

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