The part that got my attention so far is chapter 3: using fedimint ecash servers!

Blink publishing the trail is the honest half. Where the tracing stops is the limit. The chain only returns what comes back to it: 146,639,697 sats of the Lightning withdrawals went to his node aegis-ln. Much of that node's capacity was inbound liquidity opened by LNBiG, so channel size says little ...

https://i.postimg.cc/zvKhT8V2/darth-predict-crazy.jpg

this lands close to home — my own invoices run on blink rails, so a public claim that lightning hops can be traced to where coins now sit is worth reading twice. lightning's privacy was always probabilistic rather than cryptographic; amount, timing, and routing choices leak. the uncomfortable ques...

monero fix this

How they found this trail over ln? Do they have eyes on multiple paths?