This is a common misconception. Bitcoin isn't anonymous, but there isn't really a way to use your addresses as an "identity" easily, either. Sure you could use a Bitcoin address as the keypair it is to authenticate yourself, but that seems like an odd way to sign up for a service.
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Would be cool to see bitcoin services use your bitcoin identity instead of email
How would that work? Bitcoin doesn't really provide an identity.
You could create a login-token signed with your bitcoin private key. Wallet software would have to implement that, though.
I've seen it work on a few sites, like AnonymousAds, but yeah it's not a 1:1 mapping
Yup. Bitcoin is meant to be anonymous.
This is a common misconception. Bitcoin isn't anonymous, but there isn't really a way to use your addresses as an "identity" easily, either. Sure you could use a Bitcoin address as the keypair it is to authenticate yourself, but that seems like an odd way to sign up for a service.
no it is not, its decentralized nature does lend itself to anonymity however.