Transaction Sequence Integrity

Definition ∞ Transaction sequence integrity ensures that the order of operations in a distributed ledger remains correct and tamper-proof. In blockchain systems, this means that transactions are processed and recorded in the exact order they were intended, preventing any manipulation or reordering that could lead to unfair advantages or double-spending. Cryptographic proofs and consensus mechanisms are employed to uphold this integrity across all network nodes. It is fundamental for the reliability and trustworthiness of the ledger.
Context ∞ News frequently discusses transaction sequence integrity in relation to blockchain security, consensus protocol developments, and concerns about miner extractable value. Any reported issues with transaction ordering can significantly impact user trust and the functionality of decentralized applications. Researchers constantly work on new methods to enhance and guarantee this critical property.