Which statement describes the immutability of data on Blockchain?

Which statement describes the immutability of data on Blockchain?
A . Data can only be modified through a smart contract.
B . No participant can tamper with a transaction after it has been recorded to the ledger.
C . It is impossible to modify business data across a network of potentially dozens or hundreds of ledgers.
D . All data is encrypted using a one-way hashing algorithm. Therefore, changing stored data is impossible.

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Answer: B