A Merkle-ized AVL tree is a self-balancing binary search tree structure augmented with Merkle hash properties. Each node in the AVL tree stores a cryptographic hash that is dependent on the hashes of its child nodes and its own data. This design allows for efficient verification of data integrity and membership proofs within the tree. The self-balancing aspect ensures logarithmic time complexity for insertions, deletions, and lookups.
Context
Merkle-ized AVL trees are highly relevant in blockchain technology for efficiently managing and verifying large datasets, such as the state of a decentralized application or a network’s account balances. Their ability to provide compact and verifiable proofs of data inclusion or exclusion is crucial for scaling solutions and light client verification. Ongoing research explores optimizations to further enhance their performance and reduce computational overhead in resource-constrained environments.
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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