The product executes transactions using smart contracts on the Linea network, a layer-2 solution built on Ethereum, with a processing speed of under five seconds.

A New Alternative to Centralized Exchanges

The card enters a competitive field dominated by centralized exchanges such as Binance, Bybit, Coinbase, and Crypto.com, which already offer crypto debit cards. However, MetaMask emphasizes the self-custody model, positioning its card as a safer option following high-profile breaches.

You Might Be Interested In: Elon Musk Talks About the Name of a New Memecoin!

Notably, Bybit was hacked for $1.4 billion in February 2025, a breach that sparked renewed scrutiny of centralized platforms’ security.

Card Uses Smart Contracts for Real-World Spending

Crypto payments have become one of the fastest-growing applications of digital assets in 2025. High-end brands like Dorsia have started accepting crypto, and apps like Signal are reportedly exploring Bitcoin payments between users.

In New York, a proposed bill could soon legalize the use of cryptocurrencies for state-level payments, indicating growing institutional adoption of BTC and stablecoins.

Though MetaMask has faced waning interest — with just $289,312 in fee revenue reported for the week of April 14 — the launch of its new card could reignite user engagement.

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The post MetaMask Launches Self-Custody Crypto Card Backed by Mastercard appeared first on Coin Engineer.