SEYFR "Jail Lock ": Don't Trust Us. Trust the Math.
You are handing over the keys to your entire digital life just to send a single PDF. And it’s time to stop.

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You are handing over the keys to your entire digital life just to send a single PDF. And it’s time to stop.

When we set out to build SEYFR, the mission was simple but incredibly ambitious: we wanted to create a world where moving a file from your iPhone to your Windows PC, or from your Linux machine to an Android tablet, felt like magic. No cables, no compression, no sketchy third-party cloud servers, and absolutely no configuration. Just true, peer-to-peer, end-to-end encrypted file sharing. We knew it was a tool that we desperately needed. What we didn't expect was how quickly the rest of the world would agree.

This is why we built SEYFR: you deserve to stay in charge of your most important files.

The Bank Card and Bank Account Analogy

Letting Child Components Talk to Parents

Memorial Day was bliss for our team, we found a ward into a dimension of software development we'd all thought was fictitious before - The World of Local-first P2P software development on the web. A world where your data is yours despite the cloud, a...

X-State: A better way to manage state.
