Blockchain Event
A blockchain event is an observable occurrence represented by protocol data, transaction execution, or application-generated records. Examples include a block being added,…
Crypto & Blockchain Fundamentals
Core concepts behind cryptocurrency, blockchain and distributed systems.
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Blockchain Fee-Free Payment
A blockchain fee-free payment is a crypto payment in which the payer is not charged a separate on-chain network fee because the…
Blockchain Index
A blockchain index is a structured lookup layer that organizes raw ledger records so applications can efficiently search transactions, addresses, blocks, tokens,…
Blockchain Integration
Blockchain integration is the process of connecting an application or business system with blockchain networks, wallets, smart contracts, or blockchain-based payment services.…
Blockchain Invoice
A blockchain invoice is a payment request that specifies an amount, currency or asset, network, destination, expiration, and tracking information for an…
Blockchain Monitoring
Blockchain monitoring is the continuous observation of network and ledger activity for relevant transactions, confirmations, state changes, risks, or operational failures. A…
Blockchain Payment
A blockchain payment is a transfer of cryptocurrency or token value recorded on a blockchain and used to satisfy a commercial, personal,…
Blockchain Payment Detection
Blockchain payment detection is the process of identifying an on-chain transfer that corresponds to an expected invoice, address, customer, or order. Detection…
Blockchain Payment Gateway
A blockchain payment gateway is a service that connects merchant checkout and business systems with blockchain payment networks by generating payment requests,…
Blockchain Payment Monitoring
Blockchain payment monitoring is the continuous process of tracking a payment from transaction broadcast or first detection through block inclusion, confirmation, finality,…
Blockchain Payment Processor
A blockchain payment processor is a service or software layer that receives cryptocurrency payment requests, generates or assigns payment destinations, monitors the…
Blockchain Payment Verification
Blockchain payment verification is the process of confirming that a specific on-chain transaction satisfies the requirements of a payment request. Verification normally…
Blockchain Receipt
A blockchain receipt is a protocol-defined record produced after a transaction is processed, commonly containing execution status, gas usage, logs, and references…
Blockchain Refund
A blockchain refund is a new transaction that returns cryptocurrency to a customer after an earlier payment. It does not reverse or…
Blockchain Security
Blockchain security is the protection of consensus, transactions, keys, smart contracts, infrastructure, and users from unauthorized control, fraud, disruption, or data corruption.…
Blockchain Settlement Time
Blockchain settlement time is the period between transaction submission or payment initiation and the point at which the recipient can reasonably treat…
Blockchain State
Blockchain state is the protocol-recognized snapshot of accounts, balances, contracts, ownership records, or unspent outputs at a specific point in the chain.…
Blockchain Status
Blockchain status is a summary of a network or data source’s current operating condition, such as synchronization level, latest observed block, finalized…
Blockchain Synchronization
Blockchain synchronization is the process by which a node or indexer obtains, validates, and applies network data until its local view reaches…
Blockchain Transfer
A blockchain transfer is an on-chain transaction or state change that moves control or recorded value from one address, account, script, or…
Blockchain Wallet
A blockchain wallet is software, hardware, or a service that helps users manage blockchain accounts, addresses, keys, and transactions. A wallet does…
Broadcast
Broadcast is the act of sending a signed transaction or protocol message to one or more network peers so it can be…
Burn Address
A burn address is a blockchain address or destination designed so that assets sent to it are permanently or practically unspendable. It…
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…