Coinbase to power stablecoin-backed cards for Marqeta customers

The Plumbing of the Future

We have spent years hearing about how crypto is going to replace Visa. That has not happened. Instead, what we are seeing is crypto becoming the backend plumbing for the existing financial system. The recent announcement that Coinbase is expanding its partnership with Marqeta is a perfect example of this reality.

For those who do not track the fintech infrastructure space, Marqeta is the engine under the hood for companies like Block and DoorDash. They handle the complex card issuing and processing that most founders want to avoid. By deepening this tie-up, Coinbase is not just offering a way to spend digital assets; they are trying to standardize how stablecoins move in the real world.

This is not a new relationship. Marqeta has been powering the Coinbase Card in the United States since 2020. What is changing now is the scale and the focus on stablecoins as a legitimate medium of exchange, rather than just a way to cash out of a Bitcoin pump.

Moving Past the Debit Card Gimmick

In the early days of crypto cards, the experience was clunky. You usually had to sell your BTC for USD manually, wait for the balance to update, and then swipe. It was essentially a prepaid gift card with extra steps and high fees. Builders in this space realized quickly that users do not actually want to spend their appreciating assets on a latte.

Stablecoins changed the math. When you use USDC to fund a transaction, you are moving something that acts like a dollar but moves like data. For Marqeta customers—which include traditional fintechs and new startups—this partnership means they can offer card programs that settle in stablecoins without having to build the entire regulatory and custody stack themselves. Coinbase provides the liquidity and the exchange layer; Marqeta provides the rail to the merchant.

From a founder's perspective, this is a massive reduction in friction. If you are building a neo-bank today, you no longer have to choose between being a crypto app or a fiat app. You can be both, using these two giants as your foundation.

The Stablecoin Utility Phase

I have always been skeptical of the "crypto for payments" narrative when it involves volatile assets. No merchant wants to accept a currency that might drop 10% before they can pay their suppliers. But stablecoins solve the merchant's volatility problem while keeping the developer's efficiency gains.

This partnership signals that we are moving into the utility phase of stablecoins. We are seeing a shift away from decentralized finance protocols that only live on-chain, and toward hybrid models that interact with the local grocery store. For builders, the message is clear: the most successful products of the next two years will likely be those that bridge the gap between on-chain liquidity and off-chain spending.

Why This Matters for Infrastructure Builders

• Reduced Integration Time: Instead of negotiating with banks and crypto exchanges separately, developers can leverage a unified stack.
• Global Scalability: Marqeta operates in multiple markets, and Coinbase has the regulatory licenses to match. This allows for faster international expansion.
• User Retention: By allowing users to keep their funds in stablecoins until the exact moment of purchase, apps can offer higher yield or better rewards than traditional checking accounts.

The Skeptic's Corner

As much as this sounds like progress, we have to look at the risks. We are seeing a massive consolidation of power. If a few companies like Coinbase and Marqeta control the majority of these bridges, we are essentially building a new version of the existing banking oligarchy. It is more efficient, sure, but it is not the decentralized revolution many were promised.

Furthermore, the regulatory environment is still a minefield. While these two companies are doing everything by the book, the rules for stablecoin issuers and card processors are constantly shifting. Founders building on this stack need to be aware that they are still beholden to the whims of the SEC and international regulators who may not view stablecoins as kindly as the tech industry does.

The goal is not to replace the dollar, but to make the dollar move at the speed of the internet. That is what this partnership is actually about.

What This Means for the Next Batch of Startups

If you are a founder in the AI or crypto space, you should be looking at this as an invitation to build better user experiences. We finally have the infrastructure to handle automated payments, programmable money, and instant settlement. You don't need to be a blockchain expert to integrate these features anymore; you just need to know how to use an API.

We are seeing the end of the "crypto enthusiast" era and the beginning of the "invisible crypto" era. The best products will use Coinbase and Marqeta behind the scenes, and the user will never even know they are interacting with a blockchain. They will just know that their card works, their fees are lower, and their money is more accessible.

The takeaway for builders is simple: stop trying to sell people on the wonders of the blockchain. Instead, build products that solve the friction points of traditional finance using the tools these giants are laying down. The infrastructure is ready. Now we just need the applications that actually make sense for normal people.

Read the original at The Block →