Thank you very much for your answers, especially for the tips regarding Trezor and Lightning.
- "Wasabicoordinator[.]io"s gains from triggering this fee bypass were limited to ~triple the regular rate users would have normally paid for coinjoining with zkSNACKs, allowing them to "siphon" the funds of participants who think they are only paying the 0.003% fee rate the coordinator advertised.
If I understand correctly, the "siphoning" didn’t mean that the rogue coordinator was "sweeping" coins or accessing private keys. This, along with the updates that have taken place since then, is reassuring.
I think you wanted to say "The coordinator has been abolished" instead (without word "fee"), since that's what zkSNACKs did[1].
Yes and no. You're right that the coordinator itself has been abolished, but so has the fee, as the whole concept has shifted towards a more free and open model. Take, for example, Wabisator - Wabisabi Coordinators List, including Kruw's free coordinator.
Some people doesn't find the delicate balance reasonable, especially because zkSNACKs used to mention blockchain analysis company as part of mass surveillance[2]. And FWIW, you also had to edit configuration file to switch coordinator. I expect only few of Wasabi wallet user aware of it.
Yes, that's true, but they quickly adapted to the changes in the market. The new version immediately allowed for more user-friendly handling of coordinators. In the latest version, you can even set a coordinator fee cap, and it includes default protection settings. Overall, I see these as positive developments. Blockchain analysis and mass surveillance were definitely not the right direction. I completely share the concerns about these issues. Thankfully, they are now a thing of the past (or so it seems).