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InfluxDB
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Going to have to push back hard on this one though. Because of the padding of onion routing protocol, each node only has enough information to decrypt their corresponding layer and pass on the payment to the next node. There is no information leak. I´m not making this up, it's literally all there in Chapter 10 of Mastering the Lightning Network. The only way that payments could be traceable as you describe would be if nodes start collaborating and colluding together and exchanging information. Almost all nodes are pseudonymous with no contact information attached to them, so this would completely unfeasible in practice.
Timing. It takes time to forward HTLCs across nodes, but no LN implementation does anything to prevent timing correlation attacks. If you send me an HTLC, I fail it, then get a new HTLC from you very quickly (say, 0.1s), I can be very sure that you're the payment source. Similarly, if I forward an HTLC to you, and get the preimage back very quickly (say, 0.1s), I can be very sure that you're the payment destination.