Message any Solana wallet. Only they can read it. Post-quantum encrypted (ML-KEM-768).
Joined October 2026
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On CLASSIFIED, every message is sealed twice before it leaves your browser: once for the recipient, once for you.
Same wallet, full conversation on any device. Our server holds both copies and can read neither. Auto-deleted after 90 days.
On CLASSIFIED, a wallet can have a waiting line before its owner ever shows up.
Knock on any Solana wallet. Its public counter goes up. Nobody sees who. When the owner opens their inbox, every knock is there.
Who has the longest line on Solana? 👀
classifiedprotocol.com
CLASSIFIED Tech Update: what happens if our entire database leaks?
Nothing readable.
Here is why:
• Every message is encrypted in the sender's browser before it reaches us. Our server only ever stores sealed ciphertext.
• The keys that open them are derived from each user's wallet signature, inside their own browser. They never touch our servers. There is nothing to steal.
• Every inbox is protected by a hybrid post-quantum lock: ML-KEM-768 + X25519. That public key is 1,216 bytes, 38x the size of a Solana address.
• Each message carries its own 1,120-byte encapsulated key. Breaking one message gives you nothing about the next.
Now the part most messengers can't say:
Even if someone stored a full copy of our database for 10 years, waiting for a quantum computer, the contents would still be sealed. ML-KEM-768 is the post-quantum standard published by NIST (FIPS 203). An attacker would have to break it and X25519.
classifiedprotocol.com
CA: FozbhgfccuhPUknSESQtWt3VDAnsuLc4XfPBFUimpump
🔐 Just locked 29,433,949 $Classified tokens with @Streamflow_Fi
It's on-chain. You can check the amount, time-period and recipients.
Check it out👇
app.streamflow.finance/contr…
CLASSIFIED is live.
FozbhgfccuhPUknSESQtWt3VDAnsuLc4XfPBFUimpump
Post-quantum encrypted messaging for Solana wallets.
Paste any wallet. Write. Only the owner can read it.
• Encrypted on your device with ML-KEM-768 + X25519, the NIST post-quantum standard
• Your wallet is your key: no account, no password, nothing to back up
• Every inbox key is signed by its wallet: no impersonation
• Non-custodial: no approvals, no transfers, ~0.000005 SOL per message
• Public counters, private words: see how many are waiting for any wallet, never who or what
Open your inbox: classifiedprotocol.com
Check it out
xitter.cf/Classifiedpq/status/21…
CLASSIFIED Feature Spotlight: Public demand, private words.
True end-to-end encryption has a rule: you can only seal a message to someone who has a key. On CLASSIFIED, a wallet gets its key the first time its owner opens the inbox.
So what happens when you want to reach a wallet that isn't on CLASSIFIED yet?
You knock.
• A knock is a public signal: "someone is waiting to talk to this wallet."
• Every wallet has a public counter showing how many messages and knocks are waiting for it.
• Nobody can see who knocked or what anyone wants to say. Only the number.
• When the owner opens their inbox, every knock is there, and the conversation can begin.
The contents stay classified. The demand is public.
Look up any wallet's counter at classifiedprotocol.com
CLASSIFIED Feature Spotlight: Public demand, private words.
True end-to-end encryption has a rule: you can only seal a message to someone who has a key. On CLASSIFIED, a wallet gets its key the first time its owner opens the inbox.
So what happens when you want to reach a wallet that isn't on CLASSIFIED yet?
You knock.
• A knock is a public signal: "someone is waiting to talk to this wallet."
• Every wallet has a public counter showing how many messages and knocks are waiting for it.
• Nobody can see who knocked or what anyone wants to say. Only the number.
• When the owner opens their inbox, every knock is there, and the conversation can begin.
The contents stay classified. The demand is public.
Look up any wallet's counter at classifiedprotocol.com
CLASSIFIED Feature Spotlight: Your wallet is your key.
Most encrypted messengers make you create an account, set a password, or back up a recovery file. Lose it, and your messages are gone.
CLASSIFIED has none of that.
When you open your inbox, your wallet signs one fixed message. Solana signatures are deterministic: the same wallet always produces the exact same signature. Your browser turns that signature into your encryption keys (ML-KEM-768 + X25519).
What this means:
• Same wallet = same inbox, on any device.
• Nothing new to back up. If you have your wallet, you have your messages.
• Your keys are created in your browser and never sent to us.
• No account, no email, no phone number. The wallet is the identity.
One signature. Not a transaction. No funds move.
classifiedprotocol.com
Your wallet can send money to anyone on Solana. Until now it couldn't send a private message.
CLASSIFIED: message any wallet, only they can read it. Post-quantum encrypted.
xitter.cf/Classifiedpq/status/21…