Yuichiro Chino/Getty Images A block is the fundamental unit of a blockchain that contains a set of validated transactions and cryptographic links to previous blocks, forming an immutable record in ...

Gavin Wood shares his insights on what makes a blockchain last. A deep dive into Ethereum, Solana, and Polkadot’s strengths ...

The sequential number of a block of transactions in a blockchain. Block height 0 is the "genesis block," which is the first block. See blockchain and crypto glossary. THIS DEFINITION IS FOR ...

Blockchain is a digital public ledger that records transaction information. Each "block" of information is digitally verified, given a unique hash (or identity), and added to the public ledger.