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.

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

A callback URL is the network address a provider calls to deliver an event, status update, or asynchronous result to an application.

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…