Four parts.
No single owner.
Most messengers put identity, delivery, rules, and interface behind one company. Onym separates them, so one operator cannot take away the whole system.
01 · YOURS
Identity
Your identity is generated locally. Keys, contacts, group memberships, and message history stay on your device, never in an Onym account database. A twelve-word recovery phrase restores your identity on a new phone; Onym never receives it and cannot reset or revoke it.
No phone number. No email.
02 · OPEN
Messenger
The iPhone and Android clients are open source and MIT-licensed. End-to-end encryption happens on your device; chats and history remain local. Inspect the interface, cryptography, message formats, and network behavior before you trust it; then build or fork the app yourself.
A window, not a gatekeeper.
03 · REPLACEABLE
Courier
Nostr relays carry encrypted messages and invitations; Blossom servers store encrypted media. Operators see connection metadata—IP address, timing, and size—but never message plaintext or private keys. Choose another service, use several, or run your own.
The courier cannot read the letter.
04 · VERIFIABLE
Notary
Stellar contracts enforce group rules against cryptographic membership commitments—not a readable member list, group name, or conversation. The ledger still reveals group-level metadata such as the governance model, capacity tier, update timing, and sometimes a member count.
The notary never sees the roster.