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This document collects the fields and types used in PSBTs of any version from all BIPs that define PSBT fields to help coordinate and prevent key collisions.

Global Types

Name	<keytype>	Parent BIP
Unsigned Transaction	PSBT_GLOBAL_UNSIGNED_TX = 0x00	174
Extended Public Key	PSBT_GLOBAL_XPUB = 0x01	174
Transaction Version	PSBT_GLOBAL_TX_VERSION = 0x02	370
Fallback Locktime	PSBT_GLOBAL_FALLBACK_LOCKTIME = 0x03	370
Input Count	PSBT_GLOBAL_INPUT_COUNT = 0x04	370
Output Count	PSBT_GLOBAL_OUTPUT_COUNT = 0x05	370
Transaction Modifiable Flags	PSBT_GLOBAL_TX_MODIFIABLE = 0x06	370
Silent Payment Global ECDH Share	PSBT_GLOBAL_SP_ECDH_SHARE = 0x07	375
Silent Payment Global DLEQ Proof	PSBT_GLOBAL_SP_DLEQ = 0x08	375
PSBT Version Number	PSBT_GLOBAL_VERSION = 0xFB	174
Proprietary Use Type	PSBT_GLOBAL_PROPRIETARY = 0xFC	174

Per-input Types

Name	<keytype>	Parent BIP
Non-Witness UTXO	PSBT_IN_NON_WITNESS_UTXO = 0x00	174
Witness UTXO	PSBT_IN_WITNESS_UTXO = 0x01	174
Partial Signature	PSBT_IN_PARTIAL_SIG = 0x02	174
Sighash Type	PSBT_IN_SIGHASH_TYPE = 0x03	174
Redeem Script	PSBT_IN_REDEEM_SCRIPT = 0x04	174
Witness Script	PSBT_IN_WITNESS_SCRIPT = 0x05	174
BIP 32 Derivation Path	PSBT_IN_BIP32_DERIVATION = 0x06	174
Finalized scriptSig	PSBT_IN_FINAL_SCRIPTSIG = 0x07	174
Finalized scriptWitness	PSBT_IN_FINAL_SCRIPTWITNESS = 0x08	174
Proof-of-reserves commitment	PSBT_IN_POR_COMMITMENT = 0x09	127
RIPEMD160 preimage	PSBT_IN_RIPEMD160 = 0x0a	174
SHA256 preimage	PSBT_IN_SHA256 = 0x0b	174
HASH160 preimage	PSBT_IN_HASH160 = 0x0c	174
HASH256 preimage	PSBT_IN_HASH256 = 0x0d	174
Previous TXID	PSBT_IN_PREVIOUS_TXID = 0x0e	370
Spent Output Index	PSBT_IN_OUTPUT_INDEX = 0x0f	370
Sequence Number	PSBT_IN_SEQUENCE = 0x10	370
Required Time-based Locktime	PSBT_IN_REQUIRED_TIME_LOCKTIME = 0x11	370
Required Height-based Locktime	PSBT_IN_REQUIRED_HEIGHT_LOCKTIME = 0x12	370
Taproot Key Spend Signature	PSBT_IN_TAP_KEY_SIG = 0x13	371
Taproot Script Spend Signature	PSBT_IN_TAP_SCRIPT_SIG = 0x14	371
Taproot Leaf Script	PSBT_IN_TAP_LEAF_SCRIPT = 0x15	371
Taproot Key BIP 32 Derivation Path	PSBT_IN_TAP_BIP32_DERIVATION = 0x16	371
Taproot Internal Key	PSBT_IN_TAP_INTERNAL_KEY = 0x17	371
Taproot Merkle Root	PSBT_IN_TAP_MERKLE_ROOT = 0x18	371
MuSig2 Participant Public Keys	PSBT_IN_MUSIG2_PARTICIPANT_PUBKEYS = 0x1a	373
MuSig2 Public Nonce	PSBT_IN_MUSIG2_PUB_NONCE = 0x1b	373
MuSig2 Participant Partial Signature	PSBT_IN_MUSIG2_PARTIAL_SIG = 0x1c	373
Silent Payment Input ECDH Share	PSBT_IN_SP_ECDH_SHARE = 0x1d	375
Silent Payment Input DLEQ Proof	PSBT_IN_SP_DLEQ = 0x1e	375
Silent Payment Spend Key BIP 32 Derivation Path	PSBT_IN_SP_SPEND_BIP32_DERIVATION = 0x1f	376
Silent Payment Tweak	PSBT_IN_SP_TWEAK = 0x20	376
Proprietary Use Type	PSBT_IN_PROPRIETARY = 0xFC	174

Per-output types

Name	<keytype>	Parent BIP
Redeem Script	PSBT_OUT_REDEEM_SCRIPT = 0x00	174
Witness Script	PSBT_OUT_WITNESS_SCRIPT = 0x01	174
BIP 32 Derivation Path	PSBT_OUT_BIP32_DERIVATION = 0x02	174
Output Amount	PSBT_OUT_AMOUNT = 0x03	370
Output Script	PSBT_OUT_SCRIPT = 0x04	370, 375
Taproot Internal Key	PSBT_OUT_TAP_INTERNAL_KEY = 0x05	371
Taproot Tree	PSBT_OUT_TAP_TREE = 0x06	371
Taproot Key BIP 32 Derivation Path	PSBT_OUT_TAP_BIP32_DERIVATION = 0x07	371
MuSig2 Participant Public Keys	PSBT_OUT_MUSIG2_PARTICIPANT_PUBKEYS = 0x08	373
Silent Payment Data	PSBT_OUT_SP_V0_INFO = 0x09	375
Silent Payment Label	PSBT_OUT_SP_V0_LABEL = 0x0a	375
BIP 353 DNSSEC proof	PSBT_OUT_DNSSEC_PROOF = 0x35	353
Proprietary Use Type	PSBT_OUT_PROPRIETARY = 0xFC	174