Definition ∞ Transaction Serialization is the process of arranging a sequence of individual transactions into a specific, predetermined order for processing within a blockchain or distributed ledger system. This ordering is crucial for maintaining a consistent and immutable record of events, preventing double-spending, and ensuring that the final state of the ledger is deterministic. In many blockchain protocols, miners or validators perform this serialization, often bundling transactions into blocks. The integrity of this process is fundamental to the security and reliability of the entire network.
Context ∞ The method of transaction serialization is a critical component of blockchain architecture, directly impacting network security, fairness, and performance. Centralized or inefficient serialization processes can lead to issues like Maximal Extractable Value (MEV) exploitation, where transaction order can be manipulated for profit. Decentralizing and optimizing transaction serialization is a key focus for improving blockchain scalability and censorship resistance. Innovations in this area are vital for the future of high-throughput distributed systems.
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