Anonymous
Quick, private one-to-one shares
- Zero-knowledge encryption
- Single-use, self-destructing
- Expiring access windows
Encrypted · Temporary · Zero-knowledge
My field
Share Secrets Securely, Just Once
Type a note or attach a file. AshNote encrypts it in your browser, hands you a one-time expiring link, then forgets it ever existed. Why this matters →
Content
File Attachment (optional)
Drag & drop a file, or browse
Two ways to use it
From personal handoffs to encrypted team workflows.
Workspace
Shared vaults for teams & orgs
- Zero-knowledge encryption
- Hybrid post-quantum key exchange
- Vault expiry + grace period
- Per-vault member access control
Harvest now. Decrypt later.
What you encrypt today
could be plaintext tomorrow.
Right now, adversaries are recording encrypted data they cannot yet read. Network traffic. Cloud transfers. Email attachments. Backups. File shares. Bank wires, health records, contracts, API keys, internal credentials: anything with a long enough shelf life to be worth saving. They do not need plaintext today. They need patience.
The harvest target isn't the encrypted file itself, symmetric crypto (AES, ChaCha) shrugs off Shor's algorithm. The target is the key-exchange handshake that protected it. Break the handshake, recover the key, decrypt every byte you ever recorded. So when a vendor says “post-quantum-ready,” the only question worth asking is: is your key exchange hybrid post-quantum, or still classical?
Receipts.
Aug 2024
NIST publishes FIPS 203
First post-quantum encryption standard, finalized. The U.S. government does not standardize fixes for theoretical problems.
NIST CSRC
Sept 2022
NSA mandates PQC by 2035
CNSA 2.0 requires every U.S. national security system to transition to post-quantum cryptography. Existing classical-only systems are flagged for replacement.
National Security Agency
Dec 2024
Google's Willow crosses the threshold
First quantum chip to demonstrate exponential error suppression below threshold: the engineering milestone scaling has been waiting on.
Google Research
Ongoing
CISA: Inventory now. Migrate now.
Federal agencies told to inventory cryptography immediately. Waiting until quantum arrives means a decade of harvested data is already gone.
U.S. Cybersecurity & Infrastructure Security Agency
Not a roadmap item. Not a premium tier.
Post-quantum protection where it actually matters: key exchange.
“Post-quantum-ready” should not be a slogan. It should describe what protects the cryptographic flow.
AshNote uses the right primitive for the job: strong symmetric encryption for the secret itself, and hybrid post-quantum key establishment when keys need to be exchanged between users, devices, or vault members.
Different layer. Different threat. Different primitive.
No vague roadmap promise. No enterprise-only checkbox. Just modern cryptography built into the way sensitive material is shared.
“Post-quantum-ready” (everyone else)
- “PQ on the roadmap.” Someday.
- Server-side encryption keys you can't audit.
- Plaintext lingers in chat, email, archives.
- Classical-only key exchange. One Shor's run, every byte falls.
- Premium tier. Enterprise add-on. Pay-to-survive.
AshNote (today)
- AES-256-GCM + Argon2id on every secret payload. Symmetric, nothing for Shor's to break.
- Encrypted in your browser. The key never reaches our servers.
- Single-use links. Deleted after view or expiry. No archive.
- X25519 + ML-KEM-768 (FIPS 203) on every workspace key exchange. Hybrid: if either primitive falls, the other still holds.
- Standard. Every tier. No PQ upsell.
Don't take our word for it. Open DevTools and watch your browser encrypt it →
What’s actually in the harvest archive?
If it shouldn’t be readable in 10 years, encrypt it like it.
The everyday handoffs that pile up in inboxes, chats, and shared drives. They become tomorrow’s leak.
01
API Keys & Credentials
Pass API keys, database passwords, or SSH material to a teammate without leaving them in Slack or email.
02
Environment Variables
Share .env files or config snippets. The monospace editor preserves formatting exactly.
03
Legal & Financial Docs
Share wire details, tax documents, contracts, or deal terms through encrypted expiring links.
04
Wi‑Fi & Personal Passwords
Send Wi-Fi passwords, logins, or other personal info to family without leaving a trail in chat.
05
Healthcare & Patient Data
Reduce plaintext exposure when exchanging records, results, or sensitive coordination between parties.
06
Encrypted File Drops
Attach any file: PDFs, screenshots, certificates. Encrypted before upload, same expiring delivery.
Built into every secret
The security model in four pieces.
Single-use, then permanently deleted
After the first view, the encrypted payload is purged from storage. Small burn secrets are held exclusively in RAM (never written to disk), so once they're gone, they're gone. Unredeemed secrets are automatically cleaned up at expiry.
AES-256-GCM + Argon2id + post-quantum KEM
Content is encrypted client-side via the Web Crypto API. Passwords derive key material locally through Argon2id. Team and workspace key exchange uses hybrid X25519 + ML-KEM-768 for protection against both classical and quantum threats.
Encrypted file attachments
Files are encrypted in the browser before upload and transmitted as ciphertext. Same single-use delivery and expiry model as text secrets.
Team vaults with hybrid post-quantum key exchange
Vault keys are distributed via a hybrid KEM combining X25519 and ML-KEM-768 (FIPS 203), so only invited members can decrypt. Vaults support expiry, grace periods, and access controls.