MoonPay Brings Ethereum and Solana to Cash App’s 50 Million Users

Cash App just got a lot bigger. The popular mobile payment platform, built by Block, has teamed up with MoonPay to let eligible U.S. users buy ether, solana, and XRP directly through their Cash App balances — a pretty significant jump from what was, until recently, a mostly bitcoin-focused service.

The scope of the deal is broader than it first sounds. Through MoonPay, Cash App users can now fund external crypto wallets — including Ledger, BitPay, and MetaMask — straight from the app. That means someone sitting on a Cash App balance can move funds into a hardware wallet or a browser-based wallet without touching a separate exchange or on-ramp. For a platform with over 50 million customers, that’s a meaningful shift in how everyday people can interact with crypto.

Cash App didn’t build all this from scratch.

Block Leans on MoonPay to Skip the Infrastructure Headache

Block’s global partnerships lead Morgan Kuntze was pretty direct about the thinking here. The goal was giving customers choice and flexibility in their payment options — and MoonPay’s existing infrastructure made that possible without Block having to spin up new internal systems for every asset it wanted to support. It’s basically a shortcut that works: plug into a platform that already handles the complexity, and pass the benefit to users fast.

Jack Dorsey, Block’s founder, has made his skepticism about stablecoins fairly well known over the years. He’s not a fan. But Cash App had already added USDC — the second-largest stablecoin by market cap — before the MoonPay integration came along, which kind of tells you everything about how customer demand can override a founder’s personal preferences. The market wanted stablecoins. Cash App responded. And now, through MoonPay, USDT is also available alongside ether, solana, and XRP.

That’s a long way from where Cash App started. For most of its life, the app was synonymous with bitcoin. Full stop. You could buy bitcoin, hold bitcoin, spend bitcoin. The rest of the crypto market wasn’t really part of the picture. Adding USDC was the first crack in that wall. The MoonPay deal blows it open.

Why This Deal Changes the Competitive Picture

Mainstream financial apps have been racing to add crypto features for a while now. The pressure is real — users who want broader crypto access have plenty of options, and a platform that only offers bitcoin starts to feel limited fast. Cash App’s move to integrate MoonPay probably won’t surprise anyone who’s been watching the space, but the execution matters. Funding a MetaMask wallet directly from a Cash App balance, without routing through a separate exchange, removes friction that has historically kept less technical users away from self-custody.

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And self-custody is kind of a big deal right now. The conversation around holding your own keys — not leaving assets on a centralized platform — has gotten louder, especially after a rough few years for some of the industry’s biggest names. Cash App enabling direct wallet funding through MoonPay puts that option within reach for a much larger group of people who might never have navigated a standalone exchange.

The wallet support list — Ledger, BitPay, MetaMask — covers a decent range. Hardware wallet users, software wallet users, DeFi users. It’s not exhaustive, but it’s a solid start.

Block’s approach here is worth noting. Rather than trying to build out crypto infrastructure asset by asset, the company found a partner that already had it. MoonPay has spent years building payment rails for crypto purchases across a wide range of assets and geographies. Plugging Cash App’s user base into that network is, from a business standpoint, pretty efficient. Kuntze’s comments make clear that flexibility was the point — not just adding a few coins, but building a framework that can grow.

Whether Dorsey’s stablecoin skepticism shapes anything going forward is unclear. He acknowledged customer demand, and the product moved accordingly. That’s probably the more relevant signal.

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For ether specifically, the addition is notable. Ethereum remains the dominant smart contract platform by most measures, and ether is one of the most actively traded assets in the market. Solana has built a serious following, particularly among users interested in faster, cheaper transactions. XRP has its own loyal base, especially in payments-focused circles. None of these were available on Cash App before. All of them are now.

The 50 million customer figure is the number that matters most here. MoonPay gains access to a massive, mainstream audience — people who may not identify as crypto-native but who already have Cash App on their phones. Cash App gains a credible multi-asset offering without the operational lift of building it internally. And users get options they didn’t have last week.

Kuntze put the partnership’s purpose plainly: choice and flexibility. That’s the pitch, and the product now backs it up.

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