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Hand it over today. It opens when it matters.
Locket wraps your coins, files, and secrets in one small sealed fileyou can give to the people you trust right now. They hold it. They can't touch it. If you ever go quiet for too long, it opens for them. Until then, it's only yours.
Sealed. Only your key opens it.
Self custody has one weak point, and it's you.
Seeds get lost in house moves, dead laptops, and notebooks nobody can find. And when a keyholder becomes unreachable, everything they held goes unreachable with them. Locket is a way out of that corner that doesn't ask you to trust a company.
How it works
Seal it.
Coins, a file, a note, or the password that matters. Name the people you trust, choose a silence window, and Locket wraps it all into one small encrypted file.
Hand it over.
Send the file any way you like. Telegram, email, or a USB stick in a drawer. They hold it, and it stays shut.
Keep it beating.
Tap the heartbeat now and then. It costs a fraction of a cent. As long as it beats, the Locket answers only to you.
Why this can't be a normal app
Everywhere else
- A custodian holds your keys and asks you to trust their uptime, their security team, and their terms of service.
- Or a public smart contract does it, and the whole world can read what you hold, how much it is, and who gets it.
- Either way, something outside your hands has to keep existing, and keep behaving, for your plan to work.
On Unicity
On Unicity, the asset is a file and the rules live inside it. The network only ever sees a fingerprint. Not the amount. Not the names. Not even that your Locket exists.
What people seal
Anything small and vital: keys, files, notes, the password that matters. Six shapes out of a thousand.
For the seed you're scared of losing.
Name a second key of your own as the recipient. If you ever lose your main seed, wait out the window and let yourself back in. No custodian involved.
For a letter that finds them later.
Photos, a voice note, the words you keep meaning to say. They hold it today. If life ever pulls you away for too long, the letter arrives on its own.
For the team wallet with one keyholder.
If the one person holding the key goes unreachable past the window, the other signers' keys wake up. The work continues.
For the business that runs on your logins.
The domain, the hosting, the admin email. Seal them for your cofounder so a lost phone or a long absence never stops the work.
For the six months off the grid.
Sailors, climbers, field reporters. Pick a window longer than the voyage, or let the Guardian keep the beat while you're out of reach.
For future you.
Life happens. Phones break, passwords fade, backups go missing. Present you can seal a way back in today and hand it to the people you trust.
What this is, and what it isn't.
- Locket is young, and so is the network under it. Both are growing in the open, and this page will always say exactly where things stand.
- Your keys never leave your device. There's no server that could lose them, because there's no server at all.
- Identity, coins, and heartbeats run live on the Unicity network. The two layer silence rule itself runs in your browser for now, and every screen it touches carries a small preview tag. The full on-network version is the roadmap.
The details live on one honest page: how Locket works, in plain words.
Someone handed you a Locket?
Bring the file, or just drop it anywhere on this page. A wallet named inside opens it on its own; otherwise use the passphrase they shared.
Questions people ask
What if Locket the website disappears?
Nothing changes for anything already sealed. The file plus the network is enough. Your Locket file, your keys, and the Unicity network don't need this website to exist. And the code is open source, so anyone can run their own copy.
What exactly is a heartbeat?
A tiny transaction that tells the network you're still around. It costs a fraction of a cent. Tap the button yourself, or let the Guardian script tap it for you on a schedule.
Can the person holding my Locket open it early?
Not through Locket: the app answers to the network's clock, and until your silence window fully passes it refuses to open, for them and for everyone. For anyone NOT named inside (and without the passphrase, if one exists), the encryption alone keeps it shut forever. The full picture, including what stays client-enforced for now, lives in plain words on the docs page.
What if I go quiet and then come back?
Your key works at every moment. Before the window closes, during, and after. Come back, send one heartbeat, and the window starts over like nothing happened.
Is my Locket visible on a blockchain somewhere?
No. The network only ever sees fingerprints. Not the amount, not the names, not even the fact that your Locket exists.
What does it cost?
Locket is free and open source. Heartbeats cost a fraction of a cent on the network, and while the network is young, UCT is free to mint. Trying Locket costs nothing. Later, each heartbeat will carry a small keeper's fee, a few cents to the maker, written plainly in the docs before it ever switches on. The security is never the paid part.