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 ...

A blockchain consists of a series of blocks, each containing a list of transactions, a timestamp and a cryptographic hash that links it to the previous block. This structure creates an immutable ...

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 ...

A blockchain is a kind of database invented in 2008 that stores and secures information in sequential blocks. Unlike the case with traditional databases, a blockchain’s contents are not kept on ...

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.