The term "blockchain technology" refers to a digital ledger, usually public. These are the two main aspects of the technology: it uses a decentralized network and creates a highly secure directory. Basically, this ledger contains a record of every transaction that took place on the blockchain, but the ledger is not controlled by the government and is accessed across multiple computer systems. It is almost impossible to access information from the ledger unless you are part of the blockchain, which makes it a very secure payment platform.
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