Smart Contracts
Self-executing contracts on Ethereum, Solana, and BSC. Audited for security vulnerabilities like reentrancy.
- • Solidity & Rust
- • Gas optimization
- • Formal verification
Web3 Solutions • Longueuil
Web3 DApp Development for Longueuil Innovators
We build the frontend and backend of Decentralized Applications. Connect beautiful React interfaces with on-chain logic using Ethers.js and WalletConnect for a seamless user experience.
The aerospace tech scene in Longueuil is moving towards decentralization. Whether you are a startup or an established Industrial enterprise, the challenge is B2B integration. SFWeb provides the Web3 DApp Development needed to secure your data and automate transactions in the Montérégie economy.
Stack: React, Next.js, Ethers.js, IPFS, The Graph
Secure & Audited
Status
Blockchain Ready in Longueuil.
Wallet Connect
MetaMask & TrustWallet.
User UX
Web2 feel, Web3 tech.
Indexed Data
Fast on-chain queries.
UI/UX Design
1
Contract Integ
2
Mainnet Launch
3
Looking for blockchain experts in Longueuil?
↗Capabilities
Decentralized Solutions for Longueuil
We provide end-to-end blockchain development. Whether it's automated trading strategies or secure DApps, we bring Web3 innovation to Quebec.
Trading Automation
Custom bots for arbitrage, market making, and portfolio rebalancing. Direct connection to CEX and DEX APIs.
- • MEV Protection
- • Python/Node.js
- • Low latency
DApp Development
Full-stack decentralized applications. We connect user-friendly React frontends with complex on-chain logic.
- • Wallet integration
- • IPFS storage
- • The Graph indexing
Enterprise Chains
Permissioned blockchain setup using Hyperledger or private Ethereum forks for secure internal data handling.
- • Supply chain tracking
- • Identity management
- • Data immutability
Token Launch
ERC-20/SPL token creation, staking contracts, and liquidity pool setup for new crypto projects in Longueuil.
- • Vesting schedules
- • Governance tokens
- • Yield farming
NFT Platforms
Custom minting sites and marketplaces. Allow users to mint, trade, and view NFTs securely.
- • Whitelist logic
- • Metadata generation
- • Royalty standards
Workflow
Secure Development Lifecycle
Blockchain is immutable—mistakes are costly. We follow a rigorous testing and audit process for every Longueuil client.
1
Architecture & Whitepaper
Defining the math, logic, and tech stack (Chain selection).
2
Coding & Testing
Writing contracts/bots on Testnet (Goerli/Mumbai) with unit tests.
3
Audit & Mainnet
Security review, gas optimization, and final deployment.
Projects
Live Web3 Deployments
Real blockchain solutions built for performance and security.
Wallet Recovery
Crypto Scripting.
Python tool for extracting keys from legacy wallet.dat files.
Arbitrage Bot
Automated Trading.
Node.js bot monitoring price spreads between Uniswap and Sushiswap.
Lead Validation
Private API.
System for verifying crypto wallet assets before lead generation.
Why SFWeb?
Blockchain Expertise in Longueuil
We bridge the gap between complex Web3 technology and real-world business needs in Quebec.
100%
Audited
Security is our priority.
Multi
Chain Agnostic
ETH, SOL, BSC, Polygon.
CA
Local Team
Devs based in Canada.
Bot
Automation
Expertise in algo-trading.
Web3 Future
Build Your Blockchain Solution in Longueuil
Ready to launch a DApp, create a token, or automate your crypto trading? SFWeb delivers secure, high-performance code for the decentralized web.
- • Confidential consultation
- • Smart Contract audits
- • Custom Bot strategy
Email: [email protected]