Visa is partnering with cryptocurrency startup BlockFi to release the world's first cashback credit card in bitcoins. The card will be issued by Evolve Bank with the assistance of credit card startup Deserve. 1.5% will be returned from each card transaction. Cashback will be accumulated, then automatically converted into bitcoins and credited to your BlockFi account. In addition to the credit limit with a specific interest-free period, BlockFi will give customers a welcome bonus of $250 in bitcoins if the amount spent on the card exceeds $3000 in the first three months. The card will be metallic, similar to the Apple card that the company has jointly released with Goldman Sachs. Annual maintenance for a new VISA credit card will cost $200. The card will initially only be available in the US.