Glossary Terms Starting with D

Duplicate Detection

Duplicate detection is the process of identifying records, events, requests, or transactions that may represent the same intended financial action. It compares…

Duplicate Event

A duplicate event is a repeated delivery or storage of the same underlying system occurrence, such as a webhook, queue message, status…

Duplicate Payment

A duplicate payment occurs when the same commercial obligation is paid more than once. It can result from repeated customer attempts, retried…

Duplicate Payout

A duplicate payout occurs when the same intended payout obligation is executed or recorded more than once, creating multiple transfers or credits…

Duplicate Prevention

Duplicate prevention is the set of controls that stops the same intended financial action from creating more than one charge, transfer, ledger…

Duplicate Processing

Duplicate processing occurs when the same intended transaction, event, file, or business action passes through a processing step more than once and…

Duplicate Refund

A duplicate refund occurs when more than one refund is issued against the same refundable amount or customer obligation without a valid…

Duplicate Request

A duplicate request is a repeated command or message that represents a previously submitted business action, regardless of whether it arrived through…

Duplicate Settlement

A duplicate settlement occurs when the same payment obligation or settlement position is transferred, credited, debited, or posted more than once. A…

Duplicate Suppression

Duplicate suppression is the control that prevents a repeated event, request, or record from producing the same downstream effect after it has…

Duplicate Transaction

A duplicate transaction is a repeated financial instruction or record that represents the same intended payment, transfer, refund, or ledger action more…

Duplicate Webhook

A Duplicate Webhook is a webhook event delivered more than once to the same endpoint or consumer. At-least-once delivery systems may intentionally…

Duplicate Withdrawal

A duplicate withdrawal occurs when a single intended withdrawal is processed more than once, causing repeated transfers from a customer, merchant, treasury,…

Durable Nonce

A durable nonce is a Solana mechanism that lets a transaction remain valid beyond the network’s normal recent-blockhash expiration window. A nonce…

Dust Crypto Payment

Dust Crypto Payment is a crypto payment whose amount is so small that it falls below an operational, economic, wallet, token, or…

Dust Payment

A dust payment is a very small cryptocurrency payment whose value may be lower than the practical cost of spending, crediting, or…

Dust Transaction

A dust transaction is a blockchain transaction involving an amount so small that spending or processing it may be uneconomic or operationally…

Dusting Attack

Dusting Attack is an attack or weakness pattern that sends tiny crypto amounts to many addresses to analyze later spending patterns and…

Dynamic Confirmation Threshold

Dynamic Confirmation Threshold is a confirmation requirement that changes according to asset, network conditions, payment value, risk, customer, or other policy inputs.…

Dynamic Crypto Payment Link

Dynamic Crypto Payment Link is a payment link whose amount, asset options, expiration, customer data, or other parameters are created or updated…

Dynamic Invoice

A dynamic invoice is an invoice whose amount, currency, payment instructions, status, or other fields are generated or updated from current order,…

Dynamic Payment Address

A dynamic payment address is a blockchain address generated or assigned for a particular order, invoice, customer, asset, network, or time-limited payment…