ACH Return
ACH Return is an Automated Clearing House entry sent back through the ACH Network because the original credit or debit cannot be…
Glossary terms starting with A
Numbers and symbols are grouped under #. Letter matching ignores case and uses the first displayed title character.
Active Risk Management (ARM)
Active risk management continuously identifies, measures, treats, and monitors changing risks instead of relying only on periodic assessments. Decision-makers use Active Risk…
Active Subscription
An active subscription is a subscription currently recognized as providing or being eligible to provide ongoing service under the business’s defined state…
Active Validator
An active validator is a validator currently eligible or selected to participate in a blockchain’s consensus, block production, voting, attestation, or finality…
Active Validator Set
The active validator set is the complete group of validators currently authorized or selected to participate in a blockchain’s consensus and finality.…
Adaptive Authentication
Adaptive Authentication is an authentication approach that changes verification requirements according to contextual and behavioral risk signals observed before or during access.…
Adaptor Signature
An adaptor signature is a cryptographic construction that hides a secret inside an incomplete signature and reveals it when completed. An adaptor…
Address
A blockchain address is a public destination identifier used to receive assets or reference an account, script, contract, or other on-chain object.…
Address Allocation
Address allocation is the controlled selection of an available blockchain address or derivation index for a payment, customer, account, or operational purpose.…
Address Assignment
Address assignment is the binding of a blockchain address to a specific customer, invoice, account, order, or payment purpose in an application.…
Address Attribution
Address attribution is the process of determining which person, organization, wallet, account, or business record controls or is associated with a blockchain…
Address Balance
Address balance is the amount of an asset that a wallet, explorer, or indexer attributes to a blockchain address at a particular…
Address Blacklist
Address Blacklist is a controlled list of blockchain addresses that a system is configured to reject, block, restrict, or escalate. It is…
Address Book
An address book is a wallet or payment application feature that stores labeled blockchain destinations so users can select known recipients without…
Address Book Whitelist
An address book whitelist is a control that restricts transfers to previously approved blockchain addresses, often requiring additional verification or a waiting…
Address Callback
Address Callback is an asynchronous notification sent when a tracked blockchain address is assigned, receives activity, or changes confirmation status. It is…
Address Checksum
An address checksum is redundant data encoded with an address so software can detect many typing, copying, or character-substitution errors before a…
Address Derivation
Address Derivation is the deterministic generation of blockchain addresses and their underlying public keys from a seed, extended key, or structured derivation…
Address Expiration
Address expiration is the point after which a payment address issued for a specific session should no longer be used or credited…
Address Explorer
An address explorer is a blockchain-explorer view that displays publicly indexed activity associated with a specific address, such as balances, transactions, token…
Address Format
Address format is the network-defined structure used to represent a blockchain destination as text. It can include a prefix, version, payload, character…
Address Format Mismatch
Address format mismatch occurs when a destination string does not satisfy the encoding, prefix, length, checksum, version, witness, memo, or destination-type rules…
Address Gap Limit
Address Gap Limit is the maximum number of consecutive unused derived addresses a wallet scans before assuming that no later addresses have…
Address Generation
Address generation is the process of creating or deriving a valid blockchain address from cryptographic keys, scripts, contract-creation rules, or protocol-defined account…