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FAST '24 - COLE: A Column-based Learned Storage for Blockchain Systems
March 27, 2024, 10:23 p.m. | USENIX
USENIX www.youtube.com
Ce Zhang and Cheng Xu, Hong Kong Baptist University; Haibo Hu, Hong Kong Polytechnic University; Jianliang Xu, Hong Kong Baptist University
Blockchain systems suffer from high storage costs as every node needs to store and maintain the entire blockchain data. After investigating Ethereum's storage, we find that the storage cost mostly comes from the index, i.e., Merkle Patricia Trie (MPT). To support provenance queries, MPT persists the index nodes …
blockchain column fast high hong kong kong node storage store systems university
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