Payment Censorship in the Lightning Network Despite Encrypted Communication

The authors demonstrate how to detect LN messages by their deterministic sizes and packet flows. These methods allow a network-level adversary to identify and censor payments in the Lightning Network.

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https://nostrcheck.me/media/50d94fc2d8580c682b071a542f8b1e31a200b0508bab95a33bef0855df281d63/32a11e9b59778a425b831d31a3b07f8f63558e45241d39a32c51c974d9e091a6.webp

Paper: https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.AFT.2024.12