What is blockchain?

By Pepe1337 | Cryptocurrency and stocks | 18 Mar 2020

Blockchain is a decentralized ledger, meaning it is a database that  is available to the public and can be checked by anyone.  This is vital for any non-tangible product, because unlike tangible products such as socks  or candy, we need a record of a transaction in case something goes wrong.  We need evidence, for example, that Steve paid John  for the pair of socks John sold him to.    Read more here: https://www.investopedia.com/terms/b/blockchain.asp

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