4. HD wallets (BIP-32) - Build your own Bitcoin hardware wallet

WARNING! I DO NOT PROVIDE ANY KEY RECOVERY SERVICES! BEWARE OF SCAMMERS! Content: Hardened and non-hardened derivation Serialization and prefixes (xprv, yprv, xprv) BIP-32: https://github.com/bitcoin/bips/blob/... Online tool to check BIP-39 and BIP-32 derivation: https://iancoleman.io/bip39/ MicroPython build with bitcoin and gui library: https://github.com/diybitcoinhardware...