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Blockchain

Smart contracts written like the money depends on them. Because it does.

Audited, gas-optimised contracts where mistakes are permanent.

Request a quote See how we deliver
The problem

A smart contract is deployed once, into an adversarial environment, where every line is public and every mistake is permanent and immediately profitable to exploit. There is no hotfix, no rollback, no apology that returns drained funds. The history of DeFi is a history of contracts that were almost correct.

Most contract bugs are not exotic. They are reentrancy, rounding, access control, oracle manipulation, and unchecked assumptions about how other contracts behave. They survive review because the team writing them never built the testing discipline to catch them.

Our approach

We write contracts test-first and adversary-first. Every contract is backed by an exhaustive unit suite, property-based and invariant testing with Foundry, and fuzzing that actively searches for the inputs that break your assumptions. For high-stakes logic we write formal specifications and prove the critical properties.

Gas is optimised against real call patterns with the profiler, not folklore. By the time a contract reaches an external auditor it is already hardened, so the audit confirms our work rather than discovering it.

Scope of engagement

We build and harden smart contracts across EVM and non-EVM ecosystems: token standards, vaults, AMMs, lending markets, staking, governance, and bespoke protocol logic. Every engagement includes a full test and invariant suite, gas profiling, a self-audit report, and coordination with the third-party auditor of your choice.

Technology

The stack we build on

Proven tools, chosen for security, performance and long-term maintainability rather than novelty.

Solidity Vyper Rust Foundry Hardhat Halmos Slither Echidna OpenZeppelin
Methodology

How we deliver

A disciplined, transparent sequence from first conversation to a monitored production system.

  1. 01

    Spec & invariant definition

    We write down what must always be true before we write what the contract does.

  2. 01

    Test-first implementation

    Contracts built against unit, invariant, and fuzz suites from the first function.

  3. 01

    Gas & storage optimisation

    Profiled and tuned against realistic transaction patterns, never premature.

  4. 01

    Internal audit & static analysis

    Slither, Echidna, and a written self-audit before anything leaves our team.

  5. 01

    External audit & deployment

    We coordinate the third-party audit, remediate findings, and deploy with verified scripts.

Proof

Where we have shipped this

Selected engagements that put this capability into production.

All case studies
Hedge Funds
Lattice Capital

Settling €480M On-Chain for a Regulated Tokenised Fund

A regulated asset manager needed to issue and settle a tokenised money-market fund on Ethereum with bank-grade controls. We designed the con...

€480M Value settled on-chain
DeFi Protocols
Volt Protocol

A Concentrated-Liquidity DEX Doing $3.4B Cumulative Volume

Volt Protocol wanted a capital-efficient AMM on Solana that could compete with order-book venues on price. We built a concentrated-liquidity...

$3.4B Cumulative swap volume
FAQ

Common questions

Still unsure? A senior engineer will answer the specifics on a short scoping call.

Ask us directly

We provide a rigorous internal audit and self-audit report, but you should still commission an independent third-party audit for anything holding meaningful value. We make that process cheaper and faster because our code arrives with full test coverage and specs the auditors can build on.

We treat upgradeability as a security trade-off, not a default. Where it is needed we use battle-tested proxy patterns with timelocks and clear governance, and we document exactly what an upgrade can and cannot change so your users can verify the trust assumptions.
Request a quote

Scope your smart contract development engagement

Tell us what you are building. We will respond with a senior engineer's assessment, a realistic timeline, and a fixed-scope proposal — typically within two business days.

  • A direct line to the engineers who will deliver
  • No obligation, no sales pressure, no junior hand-off
  • Strict confidentiality — NDA available on request

Tell us about your project

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