Term
PSBT
A standard format for exchanging unsigned or partially-signed transactions between wallets and signers.
Type:
wallet
technology
Also known as:
Partially Signed Bitcoin Transaction
1
definition
PSBT standardizes how transaction data and signatures are shared across devices and software. It enables air-gapped signing, multisig coordination, and safer review on hardware wallets.
2
usage
- Often exchanged via QR codes, SD cards, or USB
- Allows multiple participants to add signatures incrementally
Related Terms
Hardware wallet
→A hardware wallet is a dedicated physical device that securely stores private keys and signs transactions offline to protect against malware and remote attacks.
wallet
security
Output Descriptor
→A text representation that describes how to derive addresses and spend policies for a set of keys.
wallet
technology
Air-gapped Wallet
→A wallet kept on a device that has never been connected to the internet.
wallet
security
All terms and definitions may update as the Cryptionary improves.
