The Squarelink OAuth API allows you to authenticate users and access info about their Squarelink accounts. It will return an access token as a URL parameter called access_token in the redirect back to your application. Squarelink is an access tool for blockchain applications and services that allows users to securely recover private keys. It provides a way for users to sign up, sign in, and sign transactions, using an email and password without a server ever touching a private key.
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