Sign in with your wallet without your private key, a trustless way of using decentralized identities across the web.


Quick & Easy
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1. One-time Setup

Link your address to the app. From then on, proof of ownership is stored within the app.

2. Scan a QR Code

Signing in on a website with Hello3 is as easy as scanning a QR code and clicking on ‘Sign in’.

3. Ready!

The website receives a token with proof that you own the wallet, without your private key.


Why use Hello3?
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- Speed

Signing in is extremely fast. You can even open services from within the app and be automatically signed in.

- Security

Your private keys are not used during the authentication process, so your assets are always safe.

- Open source

Thanks to verifiable identities, authentication is free and does not depend on any third party.