Do you not understand that the solution should address mainstream usage and not for nerds?

rsync kills the entire premise. You might as well use a metal plate. Same target users...

convenient and easy option is to delegate custody. 

self custody requires taking on some responsibility. 

🤷🏾‍♂️

At that point they should just use a hardware wallet. This is supposed to be the convenient and easy option. 

PraveenP

rsync, you provide the server and ssh secret key in a config setting.

there are also comercial rsync backends, like rsync net.

bitcoin

A New Approach to Universal Bitcoin Wallet Backup with Passkeys and PRF

rsync, you provide the server and ssh secret key in a config setting.

there are also comercial rsync backends, like rsync net. 