The development of quantum computers will lead to the breaking of all current cryptographic systems, making current data unsafe from "Harvest Now, Decrypt Later" attacks.

OKI is the first chat app to apply proprietary post-quantum cryptography technology directly developed by cybersecurity PhDs, ensuring data cannot be attacked now or in the future.

Other chat platforms currently only apply end-to-end encryption to 1-1 chat sessions.

Overcoming this limit, OKI is the first app to realize true end-to-end encryption even in group chat with a proprietary mechanism. Additionally, every message line is encrypted differently, maximizing defense to the highest level.

Highly valuing absolute privacy for users, we have researched and designed many distinct, unique features that allow OKI to store all data in a secret space managed by you.

This means you are the only one who knows the access rights, location, and control of your data — something no other chat app has achieved to date.

It is inevitable that current chat apps "store" and "eavesdrop" on user data.

With privacy and security as a core principle, OKI provides an isolated cyberspace for sensitive information. When necessary, all content is instantly wiped — irrecoverable, with no residual risks, leaving absolutely no digital footprint.