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Chapter and Conference Paper
Updatable and Universal Common Reference Strings with Applications to zk-SNARKs
By design, existing (pre-processing) zk-SNARKs embed a secret trapdoor in a relation-dependent common reference strings (CRS). The trapdoor is exploited by a (hypothetical) simulator to prove the scheme is zer...
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Chapter and Conference Paper
Decentralized Anonymous Micropayments
Micropayments (payments worth a few pennies) have numerous potential applications. A challenge in achieving them is that payment networks charge fees that are high compared to “micro” sums of money.