The Boltmat Project

From euro coins
to Lightning
and Bolt Cards.

A contactless terminal for creating and topping up Bolt Cards with Bitcoin Lightning and NFC.

How it works
The idea

A bridge between cash and digital satoshis.

Boltmat is a hardware concept for quickly adding and using credit over the Lightning Network and NFC.

Euro coins

Insert a physical coin to start a simple top-up flow.

Lightning

Value is processed over Bitcoin Lightning on your own infrastructure.

Bolt Cards

Create and top up contactless Bolt Cards for quick access to credit.

Prototype gallery

Boltmat in action.

A look at the working prototype interface. These are presentation images, not an offer to process live payments.

Full front view of the Boltmat device
Boltmat — front view of the prototype
Boltmat menu with QR top-up, card-to-card transfer, and new Bolt Card options
Menu: QR top-up, card-to-card transfer, and a new Bolt Card
Boltmat screen for topping up a card
Example: topping up a Bolt Card
Boltmat displaying its original QR code
Example: QR top-up on Boltmat
Project status

A working prototype.

Boltmat is under development. The goal is to make Lightning payments in the physical world clear and secure.

Important: This is a presentation website. It does not offer live payments, top-ups, or financial services.
More to come

More demos, photos, and technical details are on the way.

Follow this profile for updates on the Boltmat project.