Glossary Terms Starting with C

C2B Payment

A C2B payment is a consumer-to-business transfer in which an individual pays a business for goods, services, bills, subscriptions, donations, or other…

Cache-Control Header

Cache-Control Header is an HTTP header that communicates caching directives for a request or response, including whether content may be stored, reused,…

Caching

Caching is the practice of storing a reusable copy of data or a computed response so later requests can be served with…

California Consumer Privacy Act (CCPA)

The CCPA is a California privacy law granting consumers rights and imposing notice, data-handling, and request obligations on covered businesses. The California…

Callback

Callback is an asynchronous invocation or message sent after another operation reaches a relevant event or result. It is used to let…

Callback Event

Callback Event is the structured event message delivered through a callback when a monitored operation changes state or reaches a defined condition.…

Callback Handler

Callback Handler is the server-side component that receives, validates, records, and processes callback requests. It is used to translate external asynchronous messages…

Callback Response

Callback Response is the HTTP or protocol result returned by a callback receiver to acknowledge, reject, or describe handling of a delivery…

Callback Retry

Callback Retry is a repeated delivery attempt made after a callback did not receive the expected successful acknowledgment. It is used to…

Callback URL

Callback URL is the destination URL supplied or configured so another system can send an asynchronous result or event back to an…

Callback Verification

Callback Verification is the process of confirming that a callback is authentic, intact, timely, and connected to a valid expected object or…

Calldata

Calldata is the read-only byte payload supplied to a smart-contract call, commonly carried in the data field of an Ethereum transaction. It…

Cancel a payment

To cancel a payment is to request that an instruction be stopped before it reaches a point where cancellation is no longer…

Canceled Payment

A canceled payment is a payment instruction that was successfully stopped under the applicable provider or payment-rail rules before completion. The status…

Canceled Subscription

A canceled subscription is a subscription for which future continuation has been stopped, either immediately or at a specified period end. Cancellation…

Cancellation Rate

Cancellation rate is the proportion of eligible subscriptions, accounts, orders, or contracts canceled during a defined period. In subscription analysis, it usually…

Canonical Asset Payment

Canonical Asset Payment is a payment made with the asset representation recognized as native, official, or authoritative for the relevant blockchain, issuer,…

Canonical Block

A canonical block is the block currently recognized by consensus as belonging to the network's accepted chain or finalized history. Recent canonical…

Canonical Bridge

A canonical bridge is the officially designated bridge connecting a Layer 2 or application chain with its primary settlement or origin network.…

Canonical Chain

The canonical chain is the sequence of blocks currently accepted by a blockchain’s fork-choice and consensus rules as the authoritative ledger history.…

Canonical Token

A canonical token is the officially recognized or primary representation of an asset on a particular blockchain or within a cross-chain system.…

Canonical Transaction

A canonical transaction is a valid transaction included in the consensus-selected chain and not confined to a replaced or orphaned branch. Canonical…

Carbon Credit Token

A carbon credit token is a blockchain-based representation connected to a carbon credit or an interest in a pool of credits. It…

Card Fraud

Card fraud is unauthorized or deceptive use of payment-card credentials, accounts, transactions, disputes, or merchant processes for financial gain. Card Fraud must…