Smart contracts and Web3 systems engineered for security first
Solidity contracts, dApps, DeFi protocols, and token systems designed around audit-readiness — with test suites, formal reviews, and mainnet rollout plans that survive real value.
What Web3 actually demands
On-chain code cannot be patched like a web endpoint. We build for that reality — audit-first, test-heavy, and disciplined about gas and upgradeability.
Smart contract development
Solidity and Vyper contracts written to a defined security threat model and paired with heavy test coverage.
Contract audits & reviews
Internal reviews and coordinated external audits with remediation plans and re-audit gates.
dApp frontends
Wagmi, Ethers, and RainbowKit frontends with wallet UX that non-crypto users can actually complete.
Wallet integration
MetaMask, WalletConnect, and smart-account patterns wired for clear signing UX and safe transaction previews.
Token & NFT systems
ERC-20, ERC-721, and ERC-1155 systems with mint, distribution, and vesting logic tuned to your economics.
Cross-chain bridging
Multi-chain deployments and bridging patterns designed with the trust and liveness trade-offs made explicit.
A path from protocol to mainnet
Four phases with formal reviews and audits on the critical path, not the punch list.
Protocol design
We map roles, invariants, and economic assumptions, then draft a threat model before any Solidity is written.
Contract implementation
Contracts developed with Foundry or Hardhat, paired with a growing property-based test suite and gas budgets.
Audit & testing
Internal review, external audit with a firm you choose, fuzzing, and a public testnet phase before mainnet.
Mainnet deployment
Multisig-controlled rollout, monitoring hooks, and an incident-response playbook ready before block one.
The Web3 stack we build on
Contract languages, tooling, and infrastructure chosen for security, composability, and long-term maintenance.
Where Web3 earns its place
Systems where trust-minimized settlement, ownership, or composability produce something a centralized system cannot.
DeFi staking platforms
Yield, staking, and liquidity systems with audited contracts and clear risk disclosures.
NFT marketplaces
Listings, offers, royalties, and creator tools with off-chain indexing and honest gas cost UX.
DAO governance systems
Proposal, voting, and treasury systems designed around real voter participation and safe execution.
Cross-chain apps
Applications that live on multiple chains with bridging trade-offs and unified UX that hides the plumbing.
Payment rails
Stablecoin and on-chain settlement rails with off-ramps, receipts, and compliance controls.
Loyalty & rewards on-chain
Token- and NFT-based loyalty systems integrated with commerce backends and off-chain identity.
Outcomes that protect real value
Security posture is the outcome that matters most on-chain — followed by cost, composability, and predictable settlement.
Audited-first delivery
Contracts written with an audit in mind and shipped through a documented remediation cycle.
Predictable gas costs
Gas budgets set at design time and enforced in CI so surprises do not land in production.
Composable protocols
Interfaces and standards chosen so your contracts play well with the wider ecosystem.
Real security posture
Threat models, monitoring, and incident-response playbooks in place before mainnet, not after an exploit.
On-chain in production
A DeFi staking platform with audited contracts running real assets.
Web3 • DeFi
ChainVault
A scalable DeFi staking platform with audited smart contracts handling millions in assets.
Read Case Study →Why teams choose us for on-chain systems
A senior team that ships contracts through audits and stays with them after mainnet.
Learn more about us →Senior contract engineers
The people writing Solidity have shipped systems that hold real value, not just testnet demos.
Audit-first mindset
We plan the audit before we plan the launch, and treat findings as the definition of done.
Own the outcome end-to-end
Protocol design, implementation, audit coordination, deployment, and monitoring under one accountable team.
Own your stack
Contracts, keys, and multisigs stay with your team. We document the operating model, not lock you into ours.
Questions teams ask us about Web3
Practical answers on audits, upgrades, and how on-chain systems actually reach mainnet.
How do you approach audits?
How do you handle upgradeability?
How do you deal with gas cost?
Which chains do you deploy on?
How do you handle keys and multisig?
What about compliance and off-ramps?
Ready to plan your mainnet launch?
Book a working session and we'll map the protocol, audit path, and rollout together.
Book a Discovery Session →