(the original topic is STILL the sender of a tx knowing the destination is not "tracing the payment")
#bitcoin
#monero
quotingThis is literally how cops trace cash
nevent1q…k73a
They mark the bills and hand them to criminal A, who they suspect works for criminal B. Then they wait for criminal B to deposit them at a bank, whereupon they arrest criminal B and use the marked bills (i.e. the trace) as evidence that he is part of the same mafia as criminal A
It's also very similar to how they arrest monero users: get some XMR to the criminal, wait for him to move it, trace the money to a KYC exchange, get his identity info, and arrest him
Lightning offers two huge fixes for this: you don't know what channel received the money (thanks to onion routing), and there's nothing to watch to see where it moves next (thanks to no blockchain)