Blockchain Development

We design and develop full-cycle blockchain solutions: from smart contract architecture to launching DeFi protocols, NFT marketplaces and crypto exchanges. Security audits, tokenomics, integration with existing infrastructure.
8+Years of work900+Completed projects100+In house employees19+Partners
Services we offer
Showing 30 of 1305
Smart Contracts & DApps: Audit, Deploy, Maintain
Complex
from 2 weeks to 3 months
Solidity Smart Contract Development for EVM Networks
Medium
~3-5 days
End-to-End Solana Smart Contract Development in Rust
Complex
~3-5 days
Safe Move Smart Contracts for Aptos and Sui
Complex
~3-5 days
Smart Contract Development in Vyper: Security and Auditability
Medium
~3-5 days
Professional Cairo Smart Contract Development for StarkNet
Complex
~3-5 days
Ink! Smart Contract Development (Polkadot)
Complex
~3-5 days
Algorand Smart Contract Development with TEAL, PyTeal & Beaker
Medium
~3-5 days
Developing Smart Contracts on Tezos with Michelson Bytecode
Complex
~3-5 days
FunC Smart Contracts for TON: Development, Audit, Deployment
Complex
~3-5 days
Smart Contract Development on Tact (TON): Experience and Cases
Medium
~3-5 days
Smart Contract Audit: Protecting DeFi from Vulnerabilities
Medium
~3-5 days
Professional Smart Contract Audit: Protecting DeFi from Vulnerabilities
Complex
~5 days
Formal Verification for DeFi Smart Contracts
Complex
~1-2 weeks
Unit Testing Smart Contracts: Foundry, Solidity, Full Coverage
Medium
~2-3 days
Smart Contract Integration Testing on Mainnet Fork
Medium
~2-3 days
Comprehensive Smart Contract Testing on Sepolia, Arbitrum and More
Simple
from 1 day to 3 days
Smart Contract Fuzzing: Finding Edge-Case Vulnerabilities
Complex
~2-3 days
Static Analysis for Smart Contracts: Slither and Mythril
Medium
~1 day
Smart Contract Gas Optimization: Audit & Reduce Transaction Costs
Medium
~2-3 days
Smart Contract Refactoring: Audit, Gas Optimization, and Security
Medium
~2-3 days
Upgradeable Smart Contracts: Proxy Patterns for Secure Updates
Complex
~2-3 days
Proxy Contract Development: UUPS & Transparent Proxy
Complex
~2-3 days
Secure Multisig Smart Contract Development
Medium
~2-3 days
Timelock Contracts: OpenZeppelin and Custom Solutions with Audit
Medium
from 1 day to 3 days
Token Vesting Smart Contract Development with Audit
Medium
~2-3 days
Staking Contract Development with Security & Gas Optimization
Medium
~3-5 days
Yield Farming Smart Contract Development for DeFi
Medium
~3-5 days
Liquidity Mining Contract Development: Audit & Gas Optimization
Medium
~3-5 days
Secure Smart Contract Governance Development for DAOs
Medium
~3-5 days

Blockchain Development Services

Blockchain Development Stages

Latest works

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    Website development for BELFINGROUP
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