Distinguish on-chain verification from off-chain claims that still require due diligence.
The reframe: immutability protects the record; it does not bless the input. Blockchain consensus helps a network agree on the next valid state. If a transaction follows the protocol rules, it can be added to the ledger and later participants can verify that history. This is useful when the thing being verified is native to the chain: signatures, balances, token movements, block order, and contract execution. On-Chain Evidence On-chain evidence answers questions like: Which address signed? What contract executed? What amount moved? Which block included the transaction? Those are ledger-native facts. Off-Chain Assertions Off-chain assertions answer questions like: Is this…
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