Proton bitcoin wallet is interesting choise for onchain bitcoin if you need have some value outside of your stack on cold storage.

You have seed. You have oportunity sing in your wallet via tor network.

Proton have desktop version for bitcoin wallet app too.

If you are interesed, I have a few invitations https://nostrcheck.me/media/d9220de7361374af9e71b76d79b127718a3a9da0e1c12130847b909260997fed/11f0e2f1544779ce7d9901fec5c498d954f3ad3513a3c4ac848ba8d5a39ce3f6.webp https://nostrcheck.me/media/d9220de7361374af9e71b76d79b127718a3a9da0e1c12130847b909260997fed/bf4aa92f64bf99690e657b50c8acc48052dcb6a5cf2b06118e9b5e530e2dc4e5.webp https://nostrcheck.me/media/d9220de7361374af9e71b76d79b127718a3a9da0e1c12130847b909260997fed/ec959ba1acfa09f3c8b6c49a2ce0a8d1787bfa6485fe4b56503782111d68d898.webp https://nostrcheck.me/media/d9220de7361374af9e71b76d79b127718a3a9da0e1c12130847b909260997fed/cb9b8841274f54879260c44a448d3942290eeda171e2ed1a5259a8de6b4914de.webp