Block
A block is a batch of transactions bundled together and added to a blockchain. Every block carries a timestamp, the transactions included, and a cryptograp
A block is a batch of transactions bundled together and added to a blockchain. Every block carries a timestamp, the transactions included, and a cryptographic hash linking it to the previous block — which is what makes the chain hard to rewrite.
Why it matters
Block size and the time between blocks decide a network’s throughput — one reason Bitcoin (~10 minutes, small blocks) and Ethereum (12 seconds) handle browsing differently. Understanding “blocks” makes the terms TPS, finality, and congestion less mysterious.
Related terms
blockchain · mining ·
transaction