Display Currency
Display currency is the currency unit used to present a price, balance, or payment amount in a user interface. It affects what…
Glossary terms starting with D
Numbers and symbols are grouped under #. Letter matching ignores case and uses the first displayed title character.
Dispute
A dispute is a formal challenge concerning a payment, charge, transfer, refund, authorization, delivery, or related obligation. The process depends on the…
Dispute Case
A dispute case is the structured operational record used to manage one payment dispute from opening through decision and financial resolution. It…
Distributed Consensus
Distributed consensus enables separate network participants to agree on one valid value or ledger history despite delays, failures, and potentially malicious actors.…
Distributed Consensus Network
A distributed consensus network is a group of connected nodes that exchanges protocol messages to validate, order, and finalize shared state. The…
Distributed Denial-of-Service Attack (DDoS)
A Distributed Denial-of-Service Attack (DDoS) is a denial-of-service attack generated through many distributed systems, devices, networks, reflectors, or compromised hosts. Its distributed…
Distributed Ledger
A distributed ledger is a shared record maintained across multiple systems that coordinate updates under agreed rules. Participants may replicate, validate, or…
DNS Security Extensions (DNSSEC)
DNS Security Extensions (DNSSEC) are extensions to the Domain Name System that add digital signatures so validating resolvers can detect forged or…
Document Fraud
Document Fraud is the creation, alteration, theft, substitution, or misuse of a document to misrepresent identity, authority, ownership, eligibility, a transaction, or…
Dogecoin Network
Dogecoin is a public Scrypt-based proof-of-work UTXO network for DOGE transfers, secured partly through merged mining with compatible miners. DOGE is the…
Dollar Stablecoin
A dollar stablecoin is a digital token designed to maintain a value close to one US dollar. It may rely on fiat…
Dollar-Backed Stablecoin
A dollar-backed stablecoin is a stablecoin whose supply is supported by U.S. dollar cash, cash equivalents, government securities, bank deposits, or other…
Domain NFT
Domain NFT is a non-fungible token or token-like record that represents control of a blockchain naming identifier used for human-readable addresses, application…
Domain Payment
A domain payment is a payment for registering, renewing, transferring, restoring, protecting, or brokering an internet domain name. The payment should remain…
Domestic Payment
A domestic payment is a payment in which the relevant payer, payee, accounts, and processing arrangement fall within one country or domestic…
Donation Checkout
Donation checkout is a payment flow designed specifically for voluntary contributions rather than product purchases. It can let donors choose an amount,…
Donation Invoice
A donation invoice is a payment request or contribution record that specifies a donation amount, campaign, recipient, currency, and payment instructions. Unlike…
Double Spending
Double spending is an attempt to use the same digital value in conflicting transactions so more than one recipient believes they were…
Double-Spend Attack
Double-Spend Attack is an attack or weakness pattern that attempts to use the same digital funds in conflicting transactions so more than…
Double-Spend Risk
Double-spend risk is the probability and potential impact that a received digital payment is replaced, reversed, or invalidated by conflicting spending. For…
Downgrade Attack
Downgrade Attack is an attack or weakness pattern that forces communicating systems to use an older, weaker protocol, algorithm, version, or security…
Dropped Transaction
A dropped transaction is a previously submitted or observed blockchain transaction that is no longer retained in a node’s active mempool and…
Duplicate API Request
A duplicate API request is a repeated API call that represents the same intended operation as an earlier request, whether caused by…
Duplicate Callback
A Duplicate Callback is a repeated callback delivery that represents an event or business state already received by the destination. Duplicates can…