Key: Private Messaging
Encrypted. Ephemeral. Onchain.
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Archived App (Last seen on 13 May 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
Key is the sovereign messaging app for the decentralized web. Built on Solana, Key lets you claim a unique on-chain username and exchange end-to-end encrypted messages without ever revealing your phone number or email.
Features:
True Privacy: All messages are end-to-end encrypted using X25519 interactions. Only you and the recipient can read them.
On-Chain Identity: Claim your unique @username directly on the Solana blockchain. Say goodbye to copying and pasting complex wallet addresses.
No Web2 Bloat: Sign up with a cryptographic keypair. No phone numbers, no emails, no centralized tracking.
Secure & Ephemeral: Messages are stored securely and designed for privacy first.
Lightning Fast: Powered by the speed and low cost of the Solana network.
Join the conversation. Own your identity.
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What's New in Key
1.0
January 15, 2026
