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SimpleX: key facts
Facts about SimpleX network and SimpleX Chat, each with the date it was stated and its source. Updated 2026-10-08. Machine-readable version: simplex.chat/llms/facts.json.
Network and users
| Fact | Value | As of | Source |
|---|---|---|---|
| User identifiers on the network | None – no phone numbers, usernames, account IDs or random user IDs | 2026 | How SimpleX works |
| Monthly active users | 600,000+ | October 2026 | Wefunder memo |
| User growth | about 70% in the last six months | October 2026 | Wefunder memo |
| App downloads | 3 million+ | October 2026 | Wefunder memo |
| Messages per day via preset servers | 20 million+ | October 2026 | Wefunder memo |
| Paid marketing | none before the equity crowdfunding campaign | until August 2026 | Wefunder memo |
| Independent publications about SimpleX | 200+ reviews, posts and videos in 20+ languages | October 2026 | Links |
Network participants
| Fact | Value | As of | Source |
|---|---|---|---|
| Servers run by volunteers | about 1,000 | October 2026 | Wefunder memo |
| Preset server operators | SimpleX Chat and Flux | since December 2024 | Blog |
| Public channels created | 12,500+ in the five months since scalable channels shipped | October 2026 | Wefunder memo |
| Curated directory | 500+ public groups and channels, 30% active daily | October 2026 | Wefunder memo, Directory |
| Businesses supporting customers over SimpleX | 50+ | October 2026 | Wefunder memo |
| GitHub | 19,000+ stars, 1,400+ forks | October 2026 | Wefunder memo, GitHub |
Security
| Fact | Value | As of | Source |
|---|---|---|---|
| End-to-end encryption | double ratchet with post-quantum key exchange (sntrup761) on every ratchet step, on by default in direct conversations | since v5.7, April 2024 | Blog |
| IP address protection | private message routing: 2-hop routing where the sender chooses the forwarding relay and the recipient chooses the destination relay, so neither side observes the other's IP address | since v5.8, June 2024 | Blog |
| Implementation security assessment | Trail of Bits | October 2022 | Blog, Report |
| Cryptographic design review | Trail of Bits | July 2024 | Blog, Report |
| Third Trail of Bits audit | completed, to be published | 2026 | Wefunder memo |
| Licence | AGPL-3.0 | 2026 | LICENSE |
Company and funding
| Fact | Value | As of | Source |
|---|---|---|---|
| Founder | Evgeny Poberezkin, creator of the Ajv JSON Schema validator | 2026 | Ajv |
| Total investment to date | $1.7M | October 2026 | Wefunder memo |
| User donations | $650,000+, including from Vitalik Buterin | October 2026 | Wefunder memo |
| Prior investors | Village Global and angel investors (pre-seed, closed in July 2022); Jack Dorsey and Asymmetric Capital Partners (closed in July 2023) | announced April 2023 and August 2024 | Blog |
| Equity crowdfunding | on Wefunder, launched 20 August 2026 | October 2026 | Blog, Crowdfunding |
| Governance | SimpleX Network Consortium: an agreement between the non-profit SimpleX Network Foundation and SimpleX Chat | 2026 | Blog |
| Business model | free private messaging; channels and businesses pay for public names, business messaging and servers for big channels | October 2026 | Wefunder memo |
Public names
| Fact | Value | As of | Source |
|---|---|---|---|
| Test names (.testing) | available since v7-beta | July 2026 | Blog |
| .simplex names sale | starts 12 December 2026, 18:00 UTC | October 2026 | simplex.domains |
| Registry | SimpleX Name Service, a fork of ENS on Ethereum, without off-chain indexer or metadata services | July 2026 | Whitepaper |