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 ...

When a new block of transactions gets the stamp of approval from enough nodes, the new data is written in stone and the blockchain moves on to considering another list of new transactions.

Centralized financial intermediaries are a cornerstone for trading, settling, and clearing securities. Large institutions manage the ...

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.

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 ...