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Asymmetric Message Franking: Content Moderation for Metadata-Private End-to-End Encryption
message franking designated verifier signatures deniability
2019/5/28
Content moderation is crucial for stopping abuse and harassment via messaging on online platforms. Existing moderation mechanisms, such as message franking, require platform providers to see user iden...
Private communication over the Internet continues to be a challenging problem. Even if messages are encrypted, it is hard to deliver them without revealing metadata about which pairs of users are comm...