Blockchain development
We write and test smart contracts and build the applications around them: token and payment systems, NFT and membership projects, wallet connections and tools that read on-chain data. Contracts are written against well-known libraries, covered by tests and prepared for an external audit when real funds are involved.
An example
A fingerprint of the document is written on-chain. A customer scans the QR code and checks the report was never changed. The document itself stays private.
What we build
- Smart contracts
- Tokens, vesting, staking, escrow and access control, written with OpenZeppelin and tested with Foundry or Hardhat.
- Web3 applications
- Web and mobile front ends with wallet connection, transaction flows and clear error messages.
- Payments and stablecoins
- Accepting crypto or stablecoin payments and reconciling them with your accounting.
- On-chain data and bots
- Indexers, dashboards and alerting that watch contracts and wallets for the events you care about.
How a project runs
- Design and threat model. We write down how value moves through the system and what an attacker would try.
- Contracts and tests. Unit, fuzz and fork tests run against every change before anything is deployed.
- Testnet release. The full application runs on a test network so you can try every flow without real funds.
- Audit and mainnet. We prepare documentation for an external auditor, fix findings and handle the mainnet deployment.
What to have ready
- What the system should do and who uses it
- Which network you prefer, or the constraints that decide it
- Token economics or payment rules, if defined
- Legal or compliance requirements that apply to you
Tools we use: Solidity, Foundry, Hardhat, OpenZeppelin, Ethereum and L2s, Solana, viem, WalletConnect
Questions we get asked
Which blockchain should we use?
It depends on users, fees and the ecosystem you need. Ethereum L2 networks suit most EVM projects, Solana suits high-volume, low-fee use. We explain the trade-offs for your case.
Do you audit contracts?
We test thoroughly and review internally, but for contracts holding real funds we recommend an independent audit firm and prepare everything they need.
Can you integrate crypto payments into an existing shop?
Yes, either through a payment provider or with direct on-chain payments and automatic confirmation.
Tell us what you need
A few sentences are enough. We reply by email with questions or a time for a call.
Other services: AI voice agents, AI automation, AI integration, Web and SaaS development, Mobile app development