Replying to Avatar Liran Cohen

Yeah but here we are doing things we would never recommend for bitcoin keys.

Ie. private key stored on a device and copied over from app to app or device to device.

Chances of leaking a private key is very high.
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MF_HODL 2y ago

Hm. When I use a mobile hot wallet, is it not touching my Bitcoin private key? What’s the big difference I’m missing?

Also, welcome to the party 🤙

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Liran Cohen 2y ago

Yeah that's why we don recommend hot wallets for any real funds.

Also those wallets are usually really well vetted... We're still in the wild west here... There was a XSS vuln recently that extracted a bunch of priv keys from web clients.

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MF_HODL 2y ago

Got it. Yeah I just trying to think if conceptually, there could be cool use cases for generating new npubs for every message from an xpriv, where a service provider has the xpub. Like the Swan autowithdraw feature - they know it’s your pubkey but the rest of the network does not.