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Txilm: Lossy Block Compression with Salted Short Hashing
June 15, 2019 Β· Declared Dead Β· π IACR Cryptology ePrint Archive
"No code URL or promise found in abstract"
Evidence collected by the PWNC Scanner
Authors
Donghui Ding, Xin Jiang, Jiaping Wang, Hao Wang, Xiaobing Zhang, Yi Sun
arXiv ID
1906.06500
Category
cs.CR: Cryptography & Security
Cross-listed
cs.NI
Citations
23
Venue
IACR Cryptology ePrint Archive
Last Checked
3 months ago
Abstract
Current blockchains are restricted by the low throughput. Aimed at this problem, we propose Txilm, a protocol that compresses the size of transaction presentation in each block to save the bandwidth of the network. In this protocol, a block carries short hashes of TXIDs instead of complete transactions. Combined with the sorted transactions based on TXIDs, Txilm realizes 80 times of data size reduction compared with the original blockchains. We also evaluate the probability of hash collisions, and provide methods of resolving such collisions. Finally, we design strategies to protect against potential attacks on Txilm.
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