their funds wont be gone which is the distinction between self custody and custody.
that serve for nothing if they cannot access their "account" on your server / domain. not your domain / server = not your bitcoin
For what will serve me some keys to a safety box, if that box is managed by somebody else and doesn't let me to access that safety box? For nothing.
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if thats the qualification then literally every wallet is custodial by your definition
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