Nulkratos is a browser-based messenger where the server is completely blind to your messages.
Every message is encrypted with AES-256-GCM in your browser before leaving your device. The server stores only ciphertext — meaningless without your PIN.
• Argon2id key derivation (64MB memory)
• HKDF ratchet for forward secrecy
• Usernames stored as SHA-256 hashes
• No phone number, no email, no tracking
• 100% open source
