Lava Card
A secured Visa credit card backed by your bitcoin - spend dollars, keep the BTC, earn BTC back.

Lava is a bitcoin-focused financial interface whose Visa card can spend from a unified dollar balance alongside bitcoin-backed borrowing. Its current site advertises rates starting at 5% and up to 5% back in bitcoin. Borrowing can avoid selling collateral, but liquidation risk and tax treatment remain jurisdiction- and fact-specific.
Rewards
1-5% BTC
Fees
No annual fee
Custody
Self-custody
Eligibility
US-first (3% BTC rewards); international users earn 1%. Bitcoin-backed borrowing available in most jurisdictions.