OK I found this very useful video by nostr:npub1kuy0wwf0tzzqvgfv8zpw0vaupkds3430jhapwrgfjyn7ecnhpe0qj9kdj8 on how to manage #nostr keys via Alby Chrome extension and use it to sign in to Nostr apps. Lets zap the man

https://www.youtube.com/watch?v=8thRYn14nB0