诱导 发表于 2025-3-30 10:23:30
Towards Privacy-Preserving Data Mining in Online Social Networks: Distance-Grained and Item-Grained nvenient personalized services but also incurs privacy concerns. To balance utility and privacy, many privacy-preserving mechanisms such as differential privacy have been proposed. However, most existent solutions set a single privacy protection level across the network, which does not well meet useFEAS 发表于 2025-3-30 15:05:25
Fair Client Puzzles from the Bitcoin Blockchainalicious usage of resources. A typical problem of puzzle constructions is the difference in expected solving time on different computing platforms. We call puzzles which can be solved independently of client computing resources ...We propose a construction for client puzzles requiring widely distrib