Secure, production-ready smart contracts built by Web3-native engineers.
We architect and deploy custom smart contracts that are secure, gas-optimized, and ready for mainnet. Our process delivers audit-ready code in 2-4 weeks, built on Solidity 0.8+ with OpenZeppelin standards.
ERC-20, ERC-721, ERC-1155 with custom minting, vesting, and governance.We guarantee zero critical vulnerabilities in our final audit report or we fix them at our cost.
Our development includes comprehensive testing (unit, integration, forking), gas optimization reports, and documentation. We focus on upgradeability patterns (TransparentProxy, UUPS) and security-first design to protect your assets and users.
Our Flow NFT cross-chain bridge development delivers enterprise-grade infrastructure, combining Flow's unique architecture with battle-tested security patterns for seamless, secure asset migration.
Our decentralized relayer infrastructure minimizes transaction costs for end-users with efficient batching and fee subsidization strategies, ensuring low-cost cross-chain transfers.
Guarantee immutable NFT metadata, royalty structures, and full provenance history during cross-chain movement, maintaining asset integrity and creator economics.
Our Flow NFT Cross-Chain Bridge Development delivers measurable infrastructure improvements that directly impact your project's growth, security, and user experience.
Unlock liquidity and users from Ethereum, Polygon, and Solana by enabling seamless NFT transfers to/from Flow. Increase your collection's addressable market by 10x without fragmenting community.
Bridge architecture built with formal verification for core logic and audited by leading Web3 security firms. We implement multi-signature guardians, time-locks, and circuit breakers to protect assets in transit.
Leverage our pre-audited, modular bridge components and deep Flow/Cadence expertise. Go from concept to mainnet deployment in 6-8 weeks, not 6-8 months.
Deliver sub-2 minute cross-chain transfers with intuitive UI/UX. Our bridges handle gas abstraction, failed transaction reconciliation, and real-time status tracking, reducing user support tickets by over 60%.
Built with extensibility for new chains (Avalanche, Arbitrum) and standards (ERC-6551). Modular design allows for easy upgrades without disrupting live operations or requiring user migrations.
We provide 24/7 monitoring, alerting, and maintenance with a 99.5% uptime SLA. Includes automatic fee management, relayer health checks, and detailed analytics dashboards, eliminating the need for in-house bridge DevOps.
Compare our structured development packages for building a secure, scalable NFT bridge from Flow to Ethereum, Polygon, and other EVM chains.
| Core Deliverables | Starter | Professional | Enterprise |
|---|---|---|---|
Custom Bridge Smart Contracts (Flow Cadence + EVM) | |||
Security Audit by 3rd Party Firm | |||
Multi-Chain Deployment Support (Up to 2 EVM Chains) | 1 Chain | 2 Chains | 5+ Chains |
Gas-Optimized Relayer Infrastructure | Basic | Advanced | Custom & Managed |
24/7 Monitoring & Alerting Dashboard | |||
Guaranteed Response Time for Critical Issues | 72h | 12h | 1h |
Post-Launch Support & Maintenance Period | 30 days | 90 days | 1 Year SLA |
Integration Support for Your dApp Frontend | Documentation | Consultation | Hands-on Development |
Custom Features (Batch Transfers, Royalty Enforcement) | 1-2 Features | Tailored Roadmap | |
Estimated Timeline | 6-8 Weeks | 8-12 Weeks | Custom |
Starting Price | $45,000 | $95,000 | Contact for Quote |
Secure, audited smart contracts built to your exact business logic and deployed on-chain.
We architect and deploy production-grade smart contracts that form the foundation of your Web3 product. Our development process delivers secure, gas-optimized, and upgradeable code from day one, ensuring your core logic is reliable and future-proof.
From tokenomics to governance, we translate your requirements into robust on-chain systems.
ERC-20, ERC-721, ERC-1155, ERC-4626, and custom implementations.OpenZeppelin libraries and hardened through internal audits before third-party review.Hardhat/Foundry), deployment, and verification on mainnet and testnets.Our development leverages battle-tested protocols and secure coding standards to deliver a robust, future-proof cross-chain bridge for your Flow NFTs.
Secure, gas-optimized contracts built with Cadence 1.0, implementing the Flow NFT standard for seamless minting, burning, and bridging logic on the source chain.
Integration with secure, audited messaging layers (like Axelar, Wormhole, or LayerZero) to facilitate trust-minimized state attestation and message passing to destination chains.
Deployment of compliant wrapper contracts (ERC-721/ERC-1155) on Ethereum, Polygon, or Avalanche, ensuring your NFTs are native and tradable on major marketplaces.
High-availability off-chain services that monitor events, submit transactions, and maintain synchronization between chains with configurable finality guarantees.
Development follows OpenZeppelin patterns and prepares all components for formal verification and third-party audits (e.g., CertiK, Halborn) prior to mainnet deployment.
End-to-end gas cost analysis and optimization for bridge operations, coupled with real-time dashboards for tracking transaction fees and bridge health.
Get clear answers on timelines, costs, security, and our development process for your cross-chain bridge project.
A standard, production-ready Flow NFT bridge to a major EVM chain (Ethereum, Polygon, Avalanche) takes 3-5 weeks from kickoff to mainnet launch. This includes smart contract development, security audits, frontend integration, and testing. Complex multi-chain bridges or custom features can extend this timeline, which we scope and agree upon before project start.
Our experts will offer a free quote and a 30min call to discuss your project.