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will
@w
what's the best nitty gritty [cryptography] breakdown of how these social-login wallets actually work? if you use a google wallet via [any third party provider], does wallet access actually rely on the third party AND google?
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Wilson Cusack
@wilsoncusack
cc @yuga @jayb My understanding is the google bit is just auth and generally the app + mpc provider each have a shard which can be combined to sign.
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stuffonfire
@stuffonfire.eth
this is generally correct although the actual PK storage may be simple sharding or MPC, this varies by wallet provider
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stuffonfire
@stuffonfire.eth
oh 2nd part of the q: if the wallet provider has some email auth flow, then you could recover the key that way. but if Google nukes your gmail, that’s over - unless the wallet provider & app allow you to add other recovery methods
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