A complete course for learning Bitcoin programming and usage from the command
A Basic Ethereum self-custody wallet built from scratch without using Web3 libraries. Includes manual raw transaction creation, nonce management, gas estimation, and HD wallet support. Designed for educational use on test networks only. - key generation, wallets & transactions are all done without external libraries
Integration of the Ethereum blockchain network into application. Purpose is to enable the customers to instantly pay their hired fintech professionals with cryptocurrency.
TypeScript scripts for sending raw transactions via the Fireblocks API — crypto custody operations for unsupported tokens and hidden vaults on EVM and Bitcoin-like chains.
Bitcoin raw transaction utils
A fully custom-built Ethereum wallet. Features wallet creation/import, raw transaction handling, BIP-39 mnemonic generation, secure storage, and seamless network switching. Built with React, Material UI, Ethereumjs-util, and Alchemy-powered nodes, supporting multiple Ethereum and Polygon networks.
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