There is no perfect privacy, but ecash is damn near perfect. 

[via nostr:npub10qrssqjsydd38j8mv7h27dq0ynpns3djgu88mhr7cr2qcqrgyezspkxqj8 with nostr:npub1cj8znuztfqkvq89pl8hceph0svvvqk0qay6nydgk9uyq7fhpfsgsqwrz4u and nostr:npub12rv5lskctqxxs2c8rf2zlzc7xx3qpvzs3w4etgemauy9thegr43sf485vg ]

https://fountain.fm/episode/aRawwvphCkYqxeS7EjOV
https://nostrcheck.me/media/633060d97076f9d00e9d57b912ab5b7c75be562e465951c2cbc4d6de110d9d73/ded3cf213be8e478bc0615006c22509f13e30aebf95266a452df4c2df13ce582.mp4