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Sign in to websites with PQC Imza, safely. • When a website offers “Sign in with PQC Imza”, you will approve each sign-in on your phone. The app shows which site is asking, what it receives, and where and when the request was made. • After you approve a sign-in, your phone shows a 3-digit code. Type it in your browser to finish, so nobody else’s phone can sign your browser in. • A browser is remembered for “Send to my phone” only if you switch it on. • A sign-in opened from a link asks before it opens. • Clearer messages: a replaced signing key now says so and how to get a new one, and deleting your account says exactly what is deleted and what is kept.
PQC Imza is the phone app for pqc-imza.com. Sign documents with a post-quantum key that never leaves your phone, prove who you are with the chip in your ID card or passport, and keep SciChain assets in a quantum-resistant wallet. SIGN DOCUMENTS • Sign in with Apple: the same account as pqc-imza.com • Documents sent to your email wait on the Sign tab • Scan a signing code on a screen to sign in the room • Confirm every signature with Face ID, Touch ID or your passcode • Signatures use ML-DSA-44, the NIST FIPS 204 post-quantum standard • Completed documents are recorded on the SciChain blockchain VERIFY YOUR IDENTITY • Read the chip in your ID card or passport over NFC • The chip's data is checked against the issuing country's certificates • Chip ID cards and passports from over 100 countries • Your verified name stands behind every signature you make A NEW PHONE KEEPS YOUR SIGNATURES • Sign in on the new phone and keep signing • Documents are addressed to your email, not to a key • Your earlier signatures stay valid, and your profile lists every key you have used QUANTUM-RESISTANT WALLET • Send and receive SCI and tokens on SciChain and other EVM networks • Keys are created on your phone and kept in its secure storage • Back up your wallet and restore it on another phone PRIVACY • Your private keys never leave your phone • Your ID is read on the phone; your verified name and ID numbers are sent only with the signatures you make Available in English, Türkçe, Español, 简体中文, العربية, हिन्दी, Português, Русский, Français and Bahasa Indonesia.