# Berty privacy rating

Peer-to-peer, end-to-end encrypted messenger built on IPFS by the French non-profit Berty Technologies. It needs no phone number or email and can exchange messages offline over Bluetooth and local networks.

## Summary

Berty scores 89 out of 100 (grade B) on the messengers criteria. It meets 7 of 8 criteria: open source, no trackers or telemetry, no ads or data sales, end-to-end encrypted by default, no phone number needed, metadata protection and decentralized. It does not meet independent audit. It is based in France: Nine Eyes member; EU member (GDPR).

- Website: https://berty.tech
- Source code: https://github.com/berty/berty
- Jurisdiction: France. Nine Eyes member. EU member (GDPR).
- Platforms: Android, iOS
- Home page trackers: Simple Analytics (cookieless analytics)
- Category: [Messengers](https://privacyratings.com/messengers/)
- Grade: B (89/100)

## Criteria

| Criterion | Answer | Note | Evidence |
| --- | --- | --- | --- |
| Open source | Yes | Dual-licensed under Apache-2.0 and MIT. | https://github.com/berty/berty/blob/master/LICENSE-APACHE |
| No trackers or telemetry | Yes | Exodus finds no trackers in the Android app. | https://reports.exodus-privacy.eu.org/en/reports/tech.berty.android/latest/ |
| No ads or data sales | Yes | Developed by a non-profit organization that does not sell a product, with no ads. | https://berty.tech/about |
| Independent audit | No | No independent audit is published. |  |
| End-to-end encrypted by default | Yes | All conversations, including groups, are end-to-end encrypted by default. | https://berty.tech/about |
| No phone number needed | Yes | No phone number or email is required; identity is based on public-key cryptography. | https://berty.tech/faq |
| Metadata protection | Yes | There is no central server, rendezvous points rotate regularly, and users join each group with a group-specific identity. | https://berty.tech/faq |
| Decentralized | Yes | Peer to peer over IPFS, with optional offline transports such as Bluetooth; anyone can run a replication node. | https://berty.tech/faq |

Source: https://privacyratings.com/messengers/berty/
Edit: https://github.com/privacyratings/privacyratings.com/edit/main/ratings/messengers/berty.md