Block
Quick Answer
A block is a data structure containing a batch of validated transactions permanently recorded on a blockchain, with each block cryptographically linked to the previous one.
Full Definition
A block is a data structure containing a batch of validated transactions that is permanently recorded on a blockchain. Each block includes a cryptographic hash of the previous block, creating an immutable chain. Block size and block time vary by network — Bitcoin produces a block roughly every 10 minutes, Ethereum every 12 seconds, and Solana every 400 milliseconds. In crypto payments, the number of block confirmations determines when a transaction is considered final.
Related Terms
BEP-20
BEP-20 is the token standard for creating fungible tokens on BNB Chain, similar to ERC-20 on Ethereum, commonly used for stablecoins in payment settlement due to low fees.
Block Confirmation
A block confirmation occurs when a transaction is included in a block added to the blockchain. More confirmations mean greater finality and lower risk of reversal.
Block Explorer
A block explorer is a web tool for searching and verifying blockchain transactions, addresses, and smart contracts. Examples include Etherscan and Solscan.
Blockchain
A blockchain is a distributed, immutable digital ledger that records transactions across a network of computers, eliminating intermediaries and reducing settlement times from days to seconds.
Bridge
A blockchain bridge enables the transfer of tokens between separate blockchain networks by locking tokens on the source chain and minting equivalents on the destination chain.