Mastercard, in collaboration with crypto payment provider Mercuryo, has introduced a euro-denominated crypto debit card. This card allows users to spend cryptocurrencies like Bitcoin and Ethereum directly from non-custodial wallets at over 100 million merchants worldwide accepting Mastercard. Key features include enhanced security with self-custodial wallets and fees of 1.60 euros for issuance and 1 euro monthly maintenance. The launch is seen as a bullish step for crypto, potentially driving mainstream adoption by making crypto spending more accessible. It may also encourage more financial institutions to integrate crypto services into their offerings.