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New projects
A paragraph about the problem is enough to start. We reply within two working days, usually with questions rather than a quote.
Blockchain · Service DeFi protocol development
DeFi development: lending markets, ERC-4626 vaults and yield strategies, oracles and liquidations, with invariant testing and audits before launch.
In short
DeFi (decentralized finance) protocols provide financial services through smart contracts: lending and borrowing, yield vaults, exchanges and derivatives. Users deposit funds directly into the contracts, which apply the rules automatically. That makes DeFi transparent and open — and means a single logic error, oracle manipulation or missed edge case can cost every depositor.
- How to engage
- Product build, Security review
- Practice
- Blockchain
Signs this is the right service
- You are launching a lending market, vault or yield product.
- Your protocol must integrate with existing DeFi — oracles, DEXs, other vaults.
- You are tokenizing assets that need lending or collateral use.
- An existing protocol needs new markets, a migration or a security review.
What you get
Lending markets
Over-collateralised borrowing with interest-rate models, health factors and liquidations that work in fast markets.
Vaults
ERC-4626 vaults with clear share accounting and strategies that can be paused and unwound.
Oracles
Price feeds chosen and combined to resist manipulation, with sanity checks and fallbacks.
Risk parameters
Collateral factors, caps and liquidation incentives set from data and adjustable through governance.
Testing and audit
Invariant and fuzz tests, economic attack simulations and external audits before deposits.
The process
- 01
Mechanism design
How value flows, who carries which risk, and what happens in a crash.
- 02
Invariants first
Solvency and accounting rules written down and tested against the implementation.
- 03
Attack simulation
Oracle manipulation, flash loans and liquidation cascades simulated before launch.
- 04
Guarded launch
Deposit caps, monitoring and a pause path, raised as the protocol proves itself.
SolidityFoundryERC-4626ChainlinkEchidnaTypeScript
DeFi development: common questions
What are the main risks in DeFi?
- Logic errors in contracts, oracle manipulation, flash-loan attacks, liquidations that fail in fast markets, and admin key compromise. Each needs its own control.
What is ERC-4626?
- A standard interface for tokenized vaults, so deposits, withdrawals and share accounting behave the same way across protocols and integrate easily.
How do you choose an oracle?
- By how hard it is to manipulate for your assets, how fresh the data is, and what happens when it fails. Many protocols combine sources and add sanity checks.
Is an audit enough?
- It is necessary, not sufficient. We also recommend deposit caps at launch, monitoring and a bug bounty.
06 / Let’s build
Bring us the difficult problem.
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Careers
Engineers, designers and researchers who like systems that are hard to get right. Send something you built and what you would change about it now.
03
Studio
Based in India and working remotely, with overlap hours agreed up front so your team always has a time to reach us.
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Read
Guides on AI agents, RAG, MCP, tokenization and chain abstraction, written by the engineers who build them.