What is HD Wallet (BIP-32)?
A hierarchical deterministic wallet generates a tree of keys from a single master seed using BIP-32. One seed phrase can back up an unlimited number of accounts and addresses across multiple chains, simplifying recovery and key management.
Why HD Wallet (BIP-32) matters
Understanding HD Wallet (BIP-32) is part of building a solid mental model of how Bitcoin, blockchain and Web3 systems actually work. Concepts in the Security category sit at the foundation of the broader stack — get them right and the rest is far easier.
Learn this interactively
Reading the definition is a start. ZeroToBlock teaches concepts like HD Wallet (BIP-32) through hands-on, browser-based simulations. Build the mental model by actually using it:
- Bitcoin 101 — interactive fundamentals course
- Bitcoin Proof of Work — mining, hashing and consensus
- Browse all interactive blockchain courses
Related terms
- Seed Phrase — A human-readable backup of a wallet's private keys.
- Wallet — Software or hardware that manages your private keys.
- BIP (Bitcoin Improvement Proposal) — A formal proposal to change Bitcoin.
More security terms
- 51% Attack — An attack where one party controls majority hash power.
- Cold Storage — Keeping private keys offline for security.
- Custody — Who controls the private keys.
- Slashing — Destroying part of a validator's stake as punishment.
- Multi-Signature (Multisig) — A wallet requiring multiple keys to spend.
- Hardware Wallet — A dedicated device that signs transactions offline.
- Hot Wallet — A wallet whose keys live on an internet-connected device.
- Address Reuse — Receiving multiple payments to the same address.
Keep exploring
Continue with the full blockchain glossary — 136 terms in total — or read the developer blog and FAQ for deeper context.