The evolution of blockchain and crypto
1st stage: centralized processing body, the bank is the singular point of contact for wealth storage and trasnfer
2nd stage: introduction of Bitcoin and blockchain, where everyone keeps hold of the ledger
3rd stage: introduction of smart contract on new coins like ethereum and Neo, payments can be made automatically given the fulfillment of certain terms.
4th stage: IOTA and the DAG system, which is scalable and is more of a distributed network, without the presence of any miners
5th stage: the story continues
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