By far, the most widely used crypto card is from Coinbase. You can access your funds anytime, all you need to do is store your crypto on the App which is also synced to your web interface. Coinbase currently accepts Bitcoin, Ethereum, Litecoin, Bitcoin Cash, and Ethereum Classic. If your coin is not listed on Coinbase, you can be sure it will be added soon. This card works for many national currencies. For added security, you can freeze and unfreeze your card anytime you wish. Make sure you open a Coinbase account before you order the card.
The Spend App is an exchange, a multi-cryptocurrency wallet, and real-time payments gateway. SpendChain claims their platform will support over 40,000 transactions per second. This is comparable to centralized payment gateways such as VISA and MasterCard. They work with merchants and fiat gateways in order to settle real-time payments in your native fiat currency.
This card allows you to trade your crypto for easy cash. Plenty of cryptocurrencies are accepted. You can also get instant loans on your on your balance with a very low interest rate. They even have their own crypto called MCO. You can use this to pay for anything using the App.
This work with an App. Exchange your funds for national currency in an instant. Spend your Bitcoin anywhere in the world with the Wirex Card.
It works with an App. Swap any crypto for the national currency of your choice. Make loans against to crypto you already hold. Service is not accepted everywhere.