Set up a testnet for new substrate governance model and contain related project management topics

Simple CLI and WASM tools to derive Aleo Mainnet addresses from Testnet2 private keys, and sign messages using Aleo Testnet2 private keys.

This CLI tool and code wrtitten in Rust derives Bitcoin addresses from an extended public key (xpub/ypub/zpub/vpub) and retrieves the wallet address, balances and transaction counts associated with that key.