This is objectively false. For just a tiny taste of how many times non-kyc bitcoin has been doxxed: https://www.investopedia.com/news/nsa-worked-track-down-bitcoin-users-snowden-papers-reveal/ https://decrypt.co/66411/cia-bitcoin-surveillance If you've ever forgotten to use VPN/Tor even once your bitcoin/nostr can probably be doxed by FBI/NSA. Every website and server is constantly hoovering up device info, IP, operating system, cross system tracking cookies, etc. Realistically you will probably never be a big enough target for this to be an issue. But realize if you have a big enough stack and avoid enough taxes, or especially in a highly adversarial environment where the government 6102's everything, you can be found out.