winnow

A BITCOIN WALLET FOR IPHONE

Your bitcoin.
Your choice
of control.

Pay from your phone, add a second key,
or share a wallet.

Download for iPhone Watch it work

Open source · Early access · TestFlight

Choose who signs

One key. One decision.

Receive, review, send. All from your phone.

1 key · 1 signature

Two keys. One signature.

Your phone and a second signer both approve.

MuSig2 · 1 signature

Two approve. One can be away.

Any two owners can approve a payment.

2-of-3 · 2 signatures
THE ACTUAL APPRECORDED ON SIGNET
Your everyday wallet in the real Winnow app.
01 / 03Your everyday wallet
Two keys, both required in the real Winnow app.
02 / 03Two keys, both required
Shared savings in the real Winnow app.
03 / 03Shared savings
See the full journey

SEE FOR YOURSELF

One wallet. Three ways to pay.

01 Everyday02 Both keys03 Any two

Real payments on private signet. Shared accounts use Bitcoin Core cosigners. Recording & source ↗

The wallet, in action.

Private signet · Bitcoin Core cosigners · Recording provenance