A blockchain is an immutable ledger of transactions linked through digital cryptography and usually shared publicly across multiple computers around the world. Image source: Getty Images.

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 ... uses neural networks to analyze large datasets; it excels in image recognition, natural language processing and speech synthesis.

Here's how you can invest in blockchain and some factors you should consider before doing so. Image source: Getty Images. Before you start investing in blockchain, shore up your understanding of ...