Imagine how it would be like to be in a world where you can log in to all sites with one ID and no passwords.iD·One is an on/offline integrated personal authentication service platform where it uses biometric algorithm and blockchain technology. [Real Biometric Authentication]In iD·One, you can authenticate with your real biometric information. Since you authenticate with biometric information based on your fingerprint, spoofing is impossible.[Security of Blockchain]How can personal information be protected with the strongest security? Answer is "not to have the key".Although iD·One is a personal authentication service, there is no centralized personal information database.To be more extreme, it means that your personal information will not be leaked even if the server of iD·One is hijacked by hackers.[Remember Your ID only]Password does not exist anywhere. Your fingerprint is your password.[Authentication API by Level]From low to high levels of authentication, you can easily apply iD·One to your own system using OpenAPI.You can apply it to your own authentication system by specifying the level of security in order of PIN → BIO.Homepage : https://idone.io/Authentication test : https://demo.metadna.kr/login※ You can proceed with the authentication test through the link above after signing up in iD·One APP.Permission GuideDevice Info (required) : for device forgery detection, checking app errors, and improving usabilityCamera (required) : for fingerprint and QR code recognitionStorage (required) : for reading and storing app-related information, and to uploading and downloading files to the e-Document StorageBluetooth (required) : for opening and closing of doors during access control