Blockchain, is the foundation of Bitcoin and NFTs, is a type of database, which functions as a bookkeeping system using ledgers
Introduction
History
1990 DigiCash
1996 E-gold
1998 Beenz
1999 Rand
XXXX BitTorrents
2008 Bitcoin whitepaper published
2009 Bitcoin.org Launched
2009 First Bitcoin Transaction
2011 Litecoin
2012 Ripple
2015 Ethereum
2015 Hyperledger
How it works
Peer-to-peer
Ledger
Proof-of-work