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Lionel Tangbe 's avatar
Lionel Tangbe
Cotonou, Benin
FinTech & Web3 Infrastructure Consultant | Payments & Stable
New to Contra
FinTech & Web3 Infrastructure Consultant | Payments & Stable
Cover image for Digital Ownership & On-Chain Asset
Digital Ownership & On-Chain Asset Infrastructure Built a Web3 digital asset platform for minting, storing and managing blockchain-based ownership records. The architecture combines Solidity smart contracts, NFT minting, IPFS metadata storage, wallet integration and a Web3 application layer. The system was designed to separate on-chain ownership logic from off-chain metadata while keeping the user experience simple and auditable. Key components include asset minting, metadata management, wallet connectivity, contract interaction and testnet deployment.
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Cover image for Aegis Web3 Architecture Smart Contract &
Aegis Web3 Architecture Smart Contract & Web3 Infrastructure Architecture Designed a modular Web3 architecture combining Solidity smart contracts, Hardhat testing, TypeScript integration, backend services, and deployment workflows. The project focused on secure contract design, clean separation between on-chain and off-chain components, testing, deployment readiness, and extensibility for production Web3 applications. #Solidity #Web3 #SmartContracts #Ethereum #Blockchain
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Cover image for Stablecoin Payment & Settlement Infrastructure Designed
Stablecoin Payment & Settlement Infrastructure Designed a production-oriented digital asset payment infrastructure for businesses integrating stablecoin payments and blockchain settlement. The architecture covers payment orchestration, wallet interactions, transaction monitoring, settlement workflows, reconciliation and compliance-ready integration points.
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Cover image for Built a public testnet prototype
Built a public testnet prototype for tokenized real-world asset infrastructure. VaultX combines opportunity discovery, compliance readiness, wallet connectivity, smart-contract-aware transaction controls, and portfolio operations in one investor workspace. The focus was on designing a clear path from RWA discovery to compliant on-chain execution while keeping the architecture modular for future custody, KYC, servicing, and oracle integrations. #FinTech #Web3 #RWA #Blockchain #DigitalAssets
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