Definition ∞ Verifiable history refers to a record of past events or transactions that can be independently confirmed and authenticated by any participant, typically through cryptographic means. In blockchain systems, this means every entry in the ledger is cryptographically linked to previous entries, forming an immutable and auditable sequence. It ensures transparency and integrity of data over time.
Context ∞ The concept of verifiable history is central to the security and trustworthiness of blockchain technology, as it guarantees that all transactions and state changes are transparently recorded and resistant to alteration. This attribute is crucial for auditing digital asset movements, confirming ownership, and ensuring the integrity of decentralized applications. The immutability and cryptographic linking of data provide a reliable historical record that underpins the trustless nature of blockchain networks.
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