Output descriptor
Descriptor · Wallet descriptor
An output descriptor is a short standard text, defined in BIP380 and related BIPs, that states exactly which keys, derivation paths and script types a wallet uses, so another wallet can rebuild the same addresses.
A descriptor removes guesswork from recovery. Instead of hoping a restored wallet picks the right address type and path, the descriptor spells them out, together with the extended public keys involved.
For multisig it is essential: the keys alone do not say which combination and policy the wallet used. Backing up the descriptor with each key lets heirs or co-signers rebuild the wallet.
A descriptor contains extended public keys, so it reveals the wallet’s addresses and history to whoever reads it, though not the ability to spend. See leaving bitcoin to your family.
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