1. Developers of a centralized coordinator (Whirlpool) sentenced with one of them in prison.
2. Kruwโs centralized coordinator (WabiSabi) was mentioned by the Secret Service in a public advisory.
However, custodial solutions still being the priority for bitcoiners.
Tor receives significant funding from US government and other governments.
It is centralized (9 directory nodes) and still used for privacy.
Directory nodes:
1. Coinjoin
2. Add toxic change to lightning channel
3. Swap post mix UTXO
All of this is possible using the electrum wallet. Things could be improved further if someone builds a payjoin plugin.