Distributed Sequencing

Definition ∞ Distributed sequencing is a method for ordering transactions or events across multiple independent nodes in a decentralized network to ensure a consistent and agreed-upon global order. This process is critical for preventing issues like double-spending and ensuring the integrity of a blockchain’s ledger. It typically involves specialized protocols that coordinate participants to agree on the sequence of operations without a central authority. Effective distributed sequencing is essential for maintaining determinism and security in decentralized systems.
Context ∞ News in the blockchain and decentralized finance space often addresses distributed sequencing in the context of scalability solutions and preventing transaction reordering attacks. Innovations in sequencing protocols, such as those used in rollups or shared sequencers, are frequently reported as they aim to improve transaction throughput and fairness. Understanding distributed sequencing helps clarify how various layer-2 solutions and consensus mechanisms achieve their performance and security guarantees.