Geetha Vgeetha.hashnode.devยทJan 15, 2023Block chainWhat is block chain? A blockchain is a decentralised, distributed and public digital ledger that is used to record transactions across many computers so that the record cannot be altered retroactively without the alteration of all subsequent blocks a...1 likeCodeClubVVCEAdd a thoughtful commentNo comments yetBe the first to start the conversation.