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Re:Show HN: Interactive implementation of the NIST Blockchai... by decentralised on Monday November 05, 2018 @05:24AM (#18381215)
We often talk about "blockchain as a database" but don't clarify what type of data we are discussing.

In second generation blockchains like Ethereum there's a difference between world state and ledger data. Only the Ledger data (record of state transitions) is immutable by design.

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