Documentation index
Start here for visitors: Docs home
Getting started
- Docs home
- What is Buzzio?
- Download and requirements
- Quickstart
- Move to a new phone
- Account and backup
- Delete your account
- Protocol one-pager (reviewers) (PDF download + diagrams)
- Glossary
- Official Buzzio sites
- Changelog
Privacy & trust
- Privacy guarantees
- Sealed vs shared model
- What Buzzio can see
- How Buzzio approaches privacy
- Why E2E chat is not on the web
- Verify zero metadata (1-to-1 & Whisper)
- Why delivery still learns the sender
- Threat model
- Independent security audit (status · scoped plan · public summary home)
- Zero metadata (scoped)
- vs WhatsApp / Signal / Telegram
Verify claims
- Verify zero metadata
- How to verify
- Encryption in plain language
- What Buzzio can see
- Independent security audit
Architecture & crypto
- System architecture
- Message delivery path
- Shared media deduplication (Phase 1+2 in source / rolling out)
- Encryption in plain language
- Cryptography overview
- How to verify (open-source tests · envelopes · claim ceilings)
- X3DH and Double Ratchet
- Sealed sender
- Groups cryptography
Features
- 1-to-1 chat
- Encrypted calls
- Whisper private chat
- Whisper Questions
- Groups
- Communities
- Broadcast channels
- Stories
- Bots
- Stickers
- In-chat privacy notices
- Note to Self
- Saved Messages
- Official Buzzio chat
- Private Vault
- Optional Bitcoin wallet
- More features
Developers
Reference & support
- Retention and limits
- Premium and quotas
- Subprocessors
- Data safety summary
- Legal and policies
- FAQ
- Troubleshooting
- Block, report, and stay safe
- Service status
- Security disclosure (Forum · scope · Safe Harbor)
- Independent security audit (also listed under Privacy & trust)
- No public messaging API
- Accessibility
- Contact