Blockchain & Web3 Development Services We Offer in Quebec City
Québec City's blockchain demand is not the speculative retail-DeFi flavour you find on St-Catherine in Montréal. It is regulated insurance and pension flows, supply-chain serialisation for pharma manufacturers like Optel, EV-charging settlement (AddÉnergie's FLO network is headquartered locally), and provincial procurement experiments under Investissement Québec's digital mandates. We design and ship permissioned-chain workloads on Hyperledger Fabric and Besu for AMF-regulated tokenised-security pilots, EVM-compatible Layer-2 deployments (Polygon, Arbitrum, Base) for consumer Web3 that needs Canadian-region indexers, and account-abstraction wallets with French-first onboarding flows. Every smart-contract engagement bundles a Trail of Bits or OpenZeppelin-pattern audit, a Loi 25 privacy impact assessment, and OQLF-compliant French documentation so legal and conformité teams sign off without a second translation contract.
Our Blockchain & Web3 Development Development Process
Discovery runs in French with English transcripts on request, never the inverse, because Bill 96 makes French the working language of commerce in the province and Québec City clients expect their vendor to respect that on day one. We open with an AMF classification workshop on whether a proposed token is a security, a derivative, or a utility instrument under CSA Staff Notice 21-329 and 21-332, then map Loi 25 obligations against on-chain data so personal information never lands in an immutable ledger by accident. Build sprints are two weeks, conducted on EST hours with synchronous standups, and every release ships with a French-language change log. Deployment includes a contract upgradeability plan, a multisig governance ceremony with documented signer custody, and a French incident-response runbook your AMF examiner and Beneva-style internal audit team can actually read.
Blockchain Strategy
1-2 WeeksWe evaluate whether blockchain is the right fit, select the optimal chain, define tokenomics, and architect the decentralized system.
Smart Contract Design
2-3 WeeksDesign smart contract architecture, define data structures, and map out contract interactions with detailed technical specifications.
Development & Testing
4-8 WeeksWrite and test smart contracts with 100% test coverage. Build the frontend dApp with wallet connection, transaction handling, and blockchain event listeners.
Security Audit
2-3 WeeksComprehensive smart contract audit including automated vulnerability scanning, manual code review, and formal verification of critical functions.
Mainnet Launch
1-2 WeeksDeploy verified contracts to mainnet, configure monitoring, set up multisig governance, and launch with community engagement support.
Technologies We Use for Blockchain & Web3 Development
Québec City Web3 work splits between AMF-regulated permissioned chains and consumer-facing EVM Layer 2s. For tokenised securities and inter-mutuelle settlements we deploy Hyperledger Fabric or Hyperledger Besu with R3 Corda as a fallback when bank counterparties insist on it, fronted by a Loi 25-compliant indexer hosted in AWS ca-central-1 (Montréal) so personal data never crosses the border. Consumer flows ride Polygon PoS, Arbitrum One, and Base, with Alchemy and QuickNode Canadian endpoints, ERC-4337 account abstraction via Pimlico or ZeroDev for French-first wallet UX, and The Graph subgraphs with French metadata. Smart-contract tooling is Foundry plus Hardhat, Slither and Mythril for static analysis, and Echidna for fuzzing on anything custody-adjacent. Every production contract ships with a renounced or multisig-governed admin key documented in the audit report.
What Quebec City Clients Say About Us
Real feedback from businesses we have partnered with on blockchain & web3 development projects.
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