A state synchronization protocol is a set of rules and procedures that enable nodes in a distributed system, such as a blockchain, to maintain an identical and up-to-date copy of the network’s global state. This protocol ensures all participants agree on the current data and transaction history. Efficient synchronization is vital for network consistency and the rapid onboarding of new nodes. It guarantees data integrity across the system.
Context
The effectiveness of state synchronization protocols is a significant factor in the performance and decentralization of blockchain networks. Ongoing development focuses on optimizing these protocols to reduce the time and bandwidth required for nodes to catch up to the latest state. Improvements are crucial for enhancing network resilience, supporting faster node recovery, and enabling light clients to interact securely with the blockchain.
Introducing the AVL* tree, a Byzantine-fault-tolerant Merklized structure that enables secure, concurrent state chunk downloading, drastically improving node synchronization speed and liveness.
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