Compare providers
Side-by-side comparison for any two listings. Pick by provider id (e.g. mullvad, ivpn, feather). Updates live as curators re-grade.
| Briar | mempool.space | |
|---|---|---|
| Category | tools | tools |
| Subcategory | Messaging | Block Explorer |
| Grade | A | A |
| Editor's Pick | — | ★ yes |
| Tagline | Peer-to-peer messenger over Tor, Bluetooth, or Wi-Fi. No servers, no metadata. | Self-hostable Bitcoin block + mempool explorer. Reference UX for inspecting on-chain activity. |
| Fees | Free · F-Droid + Play Store · Android primary | Free · self-hostable · public + Tor mirror |
| KYC posture | anonymous_signup | anonymous_signup |
| Highlight tags | P2PTOROFFLINE | BTCOPEN-SOURCETOR |
| Feature tags | open_sourcetor_supportedself_hosted | non_custodialopen_sourceself_hostedtor_supported |
| Web | https://briarproject.org | https://mempool.space |
| Tor | — | http://mempoolhqx4isw62xs7abwphsq7ldayuidyx2v2oethdhhj6mlo2r6ad.onion |
| Last verified | 2026-05-12 | 2026-05-13 |