Simple Self-Custody
for Bitcoin.

Bitcoin & stablecoins. Visa, bank transfers and mobile money when you need them.

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Global Bitcoin.
Local Cash.

Send Bitcoin anywhere. Hold stable dollars and euros. Swap to local currency in seconds.

No exchange.
A wallet.

One passkey✓

No seed phrase✓

Self-custodial✓

Multisig protected✓

Browser · iOS · Android✓

Bitcoin is digital cash.

Bitcoin was built as peer-to-peer electronic cash. Stablecoins are digital dollars and euros. Bank, card and mobile money are ways in and out.

Cash in.
Cash out.

EUR · SEPA · Visa

USD · ACH · card

GBP · Faster Payments

TZS · Mobile Money · SWIFT

Freedom money.

Hold it yourself. Send it directly. No middleman. No gatekeeper.

If we disappear,
your money doesn’t.

The wallet is yours. Cards, banks and payment providers are services around it.

Regulated rails.
Independent wallet.

Use regulated services without giving them custody of your wallet.

WirexMoneriumClickPesa

Different by design.

Passkey self-custody✓

Seedless multisig✓

Bitcoin + stablecoins✓

Card + banking rails✓

Open source✓

The patient pioneers.

Berlin. 2012 → today. Mining. Exchanges. Wallets. Smart contracts. Protocols. Payments.

Emin Mahrt · Founder

Open for people.
Open for AI.

Same wallet. Explicit permissions. Open source. Markdown. OpenAPI. MCP.

Support & company.