Block’s Cash App is gradually enabling stablecoin payments for its nearly 60 million users.

Block’s Cash App has begun a phased rollout of USDC support, turning the app into a stablecoin payment rail for tens of millions of U.S. retail users. Block’s Cash App is gradually enabling stablecoin payments for its nearly 60 million users, starting with a restricted launch that currently reaches around a quarter of the customer base and is expected to extend to 100% availability within the week, according to the company’s communications. The new feature allows users to deposit and withdraw USD Coin (USDC), moving value freely between external self-custodial wallets and their Cash App balances, and to use the stablecoin explicitly as a payment and settlement tool rather than a savings or yield product. At launch, Cash App’s USDC functionality supports four major blockchain networks: Solana, Ethereum, Polygon and Arbitrum, giving users access to both high-throughput, low-fee rails and the more established Ethereum mainnet environment. The company is emphasizing that on-chain payments are irreversible by design, warning that sending USDC to an incorrect address or over an unsupported network will result in permanent loss of funds, a sharp contrast with the reversibility many users associate with card payments or bank transfers. From bitcoin-first to stablecoin reality The rollout marks a pragmatic shift for Block, whose co-founder and CEO Jack Dorsey has repeatedly framed bitcoin as the company’s long-term priority and the native money of the internet. In prior public remarks, Dorsey has said the firm’s strategic focus would lean heavily toward bitcoin, from mining hardware to self-custody solutions and Lightning-driven payments. The decision to integrate USDC at scale through Cash App reflects the reality that, in day-to-day commerce, demand for dollar-pegged stablecoins has outpaced consumer interest in spending volatile assets. By treating USDC as a transactional settlement instrument—rather than dangling yield or speculative upside—Cash App is positioning its stablecoin feature squarely inside a regulatory narrative that views stablecoins as payment tools, not investment contracts. Users can top up USDC from an external wallet on a supported chain, move it into or out of their Cash App dollar balance, and route payments through stablecoin rails without needing to think about FX or crypto price swings. Consumer payments meet on-chain finality For Cash App’s user base, the integration opens a direct bridge between mainstream fintech and public blockchains. Someone paid in USDC on Solana, Polygon, Ethereum or Arbitrum can now pull those funds into Cash App and spend in the familiar fiat environment, while merchants or individuals who want to settle in stablecoins can push value out to external addresses on the same networks. The downside is that users are now exposed to classic on-chain risks. Mis-typing an address, choosing the wrong network, or sending to a contract that does not accept USDC will not trigger a support ticket reversal; the funds are gone. Cash App’s messaging stresses this irreversibility, underscoring that while the company is moving closer to crypto-native infrastructure, it cannot rewrite the fundamental properties of the networks it supports. For Block, the phased rollout allows it to test how a largely retail audience handles those constraints at scale, balancing its long-standing bitcoin maximalist instincts with the market’s clear preference for dollar-stable, programmable money.

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