What's happening here? We sign in with our nsec.app signer where we registered an address by importing our private key.  We give the website some basic authorization to sign default events, and a one time authorization for DVM related events. 

https://v.nostr.build/jYAXM.mp4 

 You have access to these DVMs from every client that supports NIP90 as well, for example Nostrudel.