DEFI Wallet
DEFI is a multichain wallet enabling users to securely trade, store, and send cryptocurrencies and NFTs across 20 different blockchains, including Bitcoin, Ethereum, Fantom, Arbitrum, and Avalanche. This product is available as a browser extension compatible with Google Chrome, Microsoft Edge, Opera, Brave, and Côc Côc Browser. Industry: Decentralized Finance (DeFi), Blockchain Team: 5 developers Country: UK Cooperation began in 2021 Services Provided: Augmentation of the development team Tech Stack: React, Redux, TypeScript, Web3, xchain.js, bitcoin-js, Graphql, Zustand, Reanimated, Expo, Rust, Serde, Tokio, Async-Graphql, PostgreSQL, Node.js, Nest.js, Apollo, Python3, Poetry, Celery, Asyncio, Aioredis, SQLAlchemy, Web3py, Requests, boto3, and more Third-party integrations: Infura, RPC nodes from various blockchains, DefiLlama, THORNode, Moralis, and Covalent. Key activities included: - Developing blockchain indexers for real-time data collection and transaction processing, which also involved adding data to databases and offering a unified API for balance retrieval. - Creating a Python-based third-party RTL service for gathering and updating metadata about tokens across different blockchains. - Building the Asset service with Node.js and Nest.js to provide a GraphQL router API for submitting token data, including their prices and metadata. - Developing an NFT balance service to supply the GraphQL router with an API for submitting details about NFT balances, alongside blockchain parsing and off-chain NFT metadata. For more information, visit: https://devico.io/success-stories/defi-wallet