Blockchain & Web3

Blockchain & Web3 Application Development

We build smart contracts, DeFi protocols, DAO governance platforms, tokenisation systems, and enterprise blockchain solutions. Whether you're launching a DeFi product on Ethereum, building a supply chain traceability system on Hyperledger, or creating a DAO with governance voting — we engineer it securely and at scale.

25+
Blockchain Projects Delivered
$180M+
TVL Secured
Audited
Smart Contracts
Multi-Chain
EVM + Solana + Hyperledger
What We Build

Blockchain Software Built to Be Trusted

In blockchain, a bug isn't just a bug — it can drain liquidity pools and destroy user trust in minutes. Smart contract security, architecture design, and economic modelling are as important as the code itself. We treat all three with equal seriousness.

Our blockchain engineering team writes Solidity and Rust contracts with full unit test coverage, submits them for independent third-party security audits before mainnet deployment, and builds the Web3 frontends that let your users interact with on-chain logic without needing to understand it.

  • Solidity smart contracts with 100% branch test coverage
  • Third-party audit coordination before mainnet deployment
  • DeFi protocol design including tokenomics and incentive modelling
  • Multi-chain deployment across Ethereum, Polygon, BNB Chain, Solana
  • Web3 frontend integration with ethers.js, wagmi, and wallet connect
  • Enterprise private chains on Hyperledger Fabric with permissioned access
Our Solutions

Blockchain Solutions We Build

Smart Contract Development

ERC-20, ERC-721, ERC-1155, and custom Solidity contracts with comprehensive test suites using Hardhat or Foundry, and gas optimisation for cost-efficient on-chain execution.

DeFi Protocol Development

Decentralised exchanges, liquidity pools, yield farming contracts, lending protocols, and staking mechanisms with robust tokenomics modelling and attack vector analysis.

DAO & Governance Platform

On-chain governance systems with proposal creation, token-weighted voting, timelocks, multi-sig treasury management, and member portal dashboards.

Enterprise Blockchain (Hyperledger)

Permissioned blockchain networks on Hyperledger Fabric for supply chain traceability, document authenticity, inter-company data sharing, and audit trail management.

Token Launch & Vesting

Token generation events (TGE), vesting schedules with cliff periods, airdrop distribution contracts, and staking reward mechanics for protocol token launches.

Smart Contract Security Audit

End-to-end smart contract audits covering reentrancy, integer overflow, access control issues, and economic attack vectors with detailed written audit reports.

Our Work

Real Projects. Real Results.

Blockchain protocols and Web3 applications built for DeFi, enterprise, and governance use cases across three markets.

🇺🇸
DeFi Protocol

YieldVault — DeFi Yield Platform

United States, 2023

Built a multi-strategy yield aggregator on Ethereum that automatically routes user deposits across Aave, Compound, and Curve to maximise APY. Includes auto-compounding, performance fees, and emergency withdrawal mechanisms. Reached $45M TVL within 6 months with zero security incidents.

Solidity Hardhat ethers.js Next.js
$45M TVL
Secured in first 6 months
🇬🇧
NFT Marketplace

ArtChain — Creator NFT Marketplace

United Kingdom, 2024

Built a curated NFT marketplace for UK digital artists on Ethereum with lazy minting (no gas cost until sale), creator royalties enforced on-chain via EIP-2981, and a creator application portal with artwork review workflow. Processed £2.8M in secondary sales in year one.

Solidity IPFS React wagmi
£2.8M Sales
Secondary market volume in year one
🇩🇪
DAO Governance

GovernX — On-Chain DAO Platform

Germany, 2024

Built a full DAO governance platform for a German Web3 foundation with on-chain proposal creation, quadratic voting, timelock execution, multi-sig treasury, and a member portal showing voting power delegation history. Governed €12M in protocol treasury funds.

Solidity OpenZeppelin The Graph Next.js
€12M Treasury
Governed by on-chain voting
Technology

Technologies We Use for Blockchain Development

Smart Contracts
  • Solidity
  • Rust (Solana)
  • OpenZeppelin
  • Hardhat
  • Foundry
🌐
Networks
  • Ethereum
  • Polygon
  • BNB Chain
  • Solana
  • Hyperledger
🖥️
Web3 Frontend
  • ethers.js
  • wagmi
  • WalletConnect
  • The Graph
  • Next.js / React
🔒
Security
  • Slither
  • Mythril
  • Echidna Fuzzer
  • Certik (3rd party)
  • Gnosis Safe
Why Digivance

Why Web3 Teams Choose Us

1
Security Is Non-Negotiable

Every smart contract we write goes through static analysis, manual review, and fuzzing before we recommend deployment. We coordinate independent third-party audits for protocols holding material TVL.

2
Full-Stack Web3 Capability

We handle the entire stack: Solidity contracts, subgraphs for on-chain indexing, off-chain backends for non-blockchain logic, and the Web3 React frontend — so you have one team, not three.

3
Tokenomics & Protocol Design

Our blockchain architects review your token economic model before writing a line of code — identifying attack vectors, inflationary risks, and governance centralisation issues early.

FAQs

Frequently Asked Questions

Yes. For every production smart contract, we run Slither static analysis, Mythril symbolic execution, and Echidna property-based fuzzing. For protocols holding significant value, we strongly recommend and help coordinate an independent third-party audit from firms like Certik, Trail of Bits, or OpenZeppelin. We provide the audit-ready documentation package needed for that process.

We primarily develop on Ethereum mainnet and its L2s (Polygon, Arbitrum, Optimism, Base), BNB Chain, and Solana. For enterprise permissioned blockchain use cases we work with Hyperledger Fabric. We recommend the right chain based on your transaction cost requirements, user geography, and ecosystem network effects.

Yes. We build DAO governance systems using OpenZeppelin Governor contracts with configurable voting mechanisms (simple, quadratic, conviction), proposal timelocks, multi-sig treasury via Gnosis Safe, and delegation of voting power. We also build the member-facing governance portal where users can browse proposals, vote, and view treasury transactions.

Yes. We build permissioned blockchain networks on Hyperledger Fabric for enterprises requiring data privacy between consortium members. Common use cases include pharmaceutical supply chain traceability, cross-bank trade finance document verification, and government credential issuance. We handle network setup, chaincode development, and the web portal for authorised participants.

Ready to Build Your Blockchain Product?

Book a free architecture consultation with our blockchain engineering team and get a security-first design for your smart contracts and Web3 application.