The Chat App No Government Can Shut Down
BitChat sends messages over Bluetooth, phone to phone, with no internet, no servers, and no way for anyone to pull the plug — including governments.
A message that hops through the crowd
Imagine you're at a protest, a festival, or somewhere the internet has gone down — or been turned off. BitChat still works. It sends your message to the nearest phone, which passes it to the next, and the next, up to seven hops, until it reaches whoever you're talking to. No Wi-Fi. No SIM card. No account. Nothing to log in to.
That's the idea behind BitChat, a free, open-source app backed by Jack Dorsey — the founder of Twitter. It blew up this week for a simple reason: the Indian government asked GitHub to take it down within three hours, saying it was too hard to spy on. Dorsey posted the takedown notice publicly. Within a day, 30,000 people had starred it on GitHub. The government's attempt to silence it made it famous.
Why this matters outside of politics
Most of us aren't organising protests. But the same design that makes BitChat hard for governments to block also makes it interesting for businesses: trade shows with terrible Wi-Fi, warehouses with dead zones, events where your team needs to stay in touch regardless of signal.
It's also a reminder that the tools we rely on — Slack, WhatsApp, email — all depend on someone else's infrastructure staying up and being friendly. BitChat is a sketch of what communication looks like when it belongs entirely to the people in the room.
Words worth knowing
Mesh network — instead of all messages going through one central point (like a WhatsApp server), each device passes messages along to the next, like a game of telephone — but reliable.
End-to-end encryption — your message is scrambled before it leaves your phone and only unscrambled on the recipient's device. Nobody in the middle — not even the app maker — can read it.
Streisand Effect — when trying to suppress information makes it spread further than it ever would have otherwise. Named after Barbra Streisand, who tried to remove a photo of her house from the internet and accidentally made it famous.
Worth asking yourself: which of the tools your team uses every day would stop working if a server went down, or a company decided to change its terms? BitChat is an extreme answer to that question — but the question is worth sitting with.