An encoding that avoids lookalike characters, used by legacy Bitcoin addresses and many other chains.

A checksummed address encoding used by Bitcoin SegWit and Taproot (bc1...) and by some other chains.

Bitcoin Improvement Proposal. The design-doc process for Bitcoin protocol, wallet, and process changes.

Hierarchical deterministic wallets. One seed derives a tree of keys so backups stay simple.

The Bitcoin specification for a particular Schnorr signature scheme over secp256k1, used with Taproot spending.

The word-list standard for mnemonic seeds used by most wallets.

A derivation-path convention so the same seed can produce keys for many coins in a predictable tree.