Cryptionary
Term

P2PK

Pay-to-Public-Key — an early Bitcoin output type that locks coins directly to a public key.

Type:
script
fundamentals
1
definition

P2PK (Pay-to-Public-Key) is a transaction output type that requires a valid signature for a given public key to spend. Unlike P2PKH, it does not use a hash of the public key, so the public key is revealed when the output is created.

2
notes
  • Used in early Bitcoin blocks and coinbase rewards
  • P2PKH became preferred for privacy and compact addresses
  • Modern wallets rarely produce P2PK outputs

All terms and definitions may update as the Cryptionary improves.