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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On April 9, Dorsey replied to a post on X by Bitcoin developer Calle, who suggested BTC would be ideal for Signal’s private messaging structure. Dorsey agreed, saying: “Signal should use Bitcoin for P2P payments.”

Industry Leaders Back the Call!

Dorsey’s suggestion received support from prominent figures like former PayPal president David Marcus, who stated, “All non-transactional apps should connect to Bitcoin.”

These endorsements reflect growing sentiment that Bitcoin should be utilized not only as a store of value, but also as a practical payment network. Dorsey believes BTC needs real-world use cases to ensure its future success.

Signal Only Supports Sentz (Formerly MobileCoin)

Launched in 2014, Signal is an open-source, encrypted messaging platform offering instant messages, voice, and video calls.

Currently, the only in-app payment option is Sentz (formerly known as MobileCoin – MTCN), a privacy-focused ERC-20 token.

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

According to Signal’s website, the token is still listed under its old name, MobileCoin.

Backed by top crypto investors like BlockTower Capital and Coinbase Ventures, Sentz aims to offer a “fast, private, and user-friendly” crypto payment experience.

MobileCoin Integration Has Been Controversial

Signal’s 2021 integration of MobileCoin sparked backlash due to alleged ties between the app’s founder and MTCN, questions around the coin’s issuance, and abnormal price movements prior to the announcement.

Social Media Apps Historically Prefer Altcoins

Signal is not alone in favoring altcoin payments over Bitcoin, which its anonymous creator Satoshi Nakamoto envisioned as a P2P payment system.

While David Marcus now supports Bitcoin for all non-transactional apps, he previously led Meta’s ill-fated crypto project, Libra.

Telegram is actively promoting the use of Toncoin (TON) across its ecosystem — a token tied to its founders but not directly operated by Telegram.

Meanwhile, Elon Musk’s “everything app” X has long been rumored to launch its own token, but Musk denied these claims in August 2023.

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The post Jack Dorsey Pushes Signal to Adopt Bitcoin Payments appeared first on Coin Engineer.