Beyond the shouting match: what is a blockchain, really?
*planted: 26/11/2021last tended: 27/11/2021
blockchains are decentralized centralization
So again a blockchain is just a single, abstract, sequential machine, run by multiple parties. That's it. It's more general than cryptocurrencies, and it's not exclusive to implementing them either. One is a kind of programming-plus-cryptography-use-case (cryptocurrencies), the other one is a kind of abstracted machine (blockchains).
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