Package Mempool Acceptance
Package mempool acceptance evaluates related unconfirmed transactions together when deciding whether a node will admit them to its local mempool. The node…
Glossary terms starting with P
Numbers and symbols are grouped under #. Letter matching ignores case and uses the first displayed title character.
Paid Amount
Paid amount is the quantity of the pay currency actually delivered by the payer and recognized by the payment system for a…
Paid Invoice
A paid invoice is an invoice whose accepted applied payments satisfy the amount due under its payment and tolerance policy. The invoice…
Paper Wallet
A paper wallet is a physical record of a private key, seed, or generated address information used to store or recover blockchain…
Parent Block
A parent block is the earlier block directly referenced by a new child block. The reference links blocks into an ordered chain…
Parent Transaction
A parent transaction creates an output that a dependent child transaction spends, establishing an explicit validation and confirmation dependency. When both are…
Partial Crypto Refund
A partial crypto refund returns less than the total refundable value of an original cryptocurrency payment. It may cover a returned item,…
Partial Payment
A partial payment satisfies only part of the amount due for an invoice, order, debt, or other obligation. The remaining balance stays…
Partial Refund
A partial refund returns less than the full refundable amount of an earlier payment or purchase. It can correspond to selected items,…
Partial Withdrawal
A partial withdrawal transfers only part of the balance currently eligible for withdrawal from an account, wallet, or platform. The remaining amount…
Partially Paid Crypto Payment
Partially Paid Crypto Payment is a crypto payment in which the verified amount received is lower than the amount required to satisfy…
Partially Signed Bitcoin Transaction (PSBT)
Partially Signed Bitcoin Transaction (PSBT) is a standardized Bitcoin data format that carries an unsigned or partly signed transaction together with metadata…
Partially Synchronous Consensus
Partially synchronous consensus assumes network delay is eventually bounded, although participants may not know when that stable period begins. This model separates…
Passphrase Wallet
A passphrase wallet is a deterministic wallet whose seed derivation includes an additional user-chosen passphrase beyond the mnemonic words. For Passphrase Wallet,…
Password-Protected Payment Link
Password-Protected Payment Link is a payment link that requires the payer to provide a password or access secret before viewing or using…
Passwordless Authentication
Passwordless authentication verifies a user without requiring a memorized password, using methods such as passkeys, hardware security keys, device-bound credentials, or cryptographic…
Pausable Token
A pausable token is a token whose transfers, minting, burning, approvals, or selected functions can be suspended by an authorized role or…
Pay by Bank
Pay by Bank is a customer-facing payment method that lets a payer authorize a direct account-to-account payment from a bank account, commonly…
Pay by OxaPay
Pay by OxaPay is a payment option that allows an OxaPay account holder to pay an OxaPay invoice using available wallet balance.…
Pay Currency
Pay currency is the cryptocurrency the payer is instructed to transfer for a payment. It determines the asset, network options, address, expected…
Pay-to-Script-Hash Address
A Pay-to-Script-Hash address, or P2SH address, is a Bitcoin destination that commits to the hash of a redeem script rather than exposing…
Payload Signature
Payload Signature is a cryptographic value calculated over a message body or canonical payload so a receiver can verify integrity and authenticate…
Paymaster Risk
Paymaster risk is exposure created when a third party sponsors transaction fees or determines whether user operations receive gas funding. Paymaster Risk…
Payment Acceptance
Payment acceptance is the capability and process through which a merchant or service receives a supported payment method and admits a valid…