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- research-articleJune 2024
A Decentralized Private Data Marketplace using Blockchain and Secure Multi-Party Computation
ACM Transactions on Privacy and Security (TOPS), Volume 27, Issue 2Article No.: 19, Pages 1–29https://doi.org/10.1145/3652162Big data has proven to be a very useful tool for companies and users, but companies with larger datasets have ended being more competitive than the others thanks to machine learning or artificial intelligence. Secure multi-party computation (SMPC) allows ...
- research-articleMarch 2024
Is Bitcoin Future as Secure as We Think? Analysis of Bitcoin Vulnerability to Bribery Attacks Launched through Large Transactions
ACM Transactions on Privacy and Security (TOPS), Volume 27, Issue 2Article No.: 14, Pages 1–22https://doi.org/10.1145/3641546Bitcoin uses blockchain technology to maintain transactions order and provides probabilistic guarantees to prevent double-spending, assuming that an attacker’s computational power does not exceed 50% of the network power. In this article, we design a ...
