Square Turns On Bitcoin Payments by Default for Millions of U.S. Merchants

Block Inc.’s Square has begun automatically enabling Bitcoin payments across millions of U.S. merchants, marking a shift from optional feature to default setting and significantly expanding everyday access to crypto payments.

The rollout, which started March 30, moves Bitcoin acceptance from opt-in to opt-out—meaning eligible sellers can now accept Bitcoin without needing to configure anything. For most businesses, the change happens quietly in the background, with payments ready at checkout.

Bitcoin, But Settled in Dollars

The key detail for merchants is what happens after the transaction.

While customers can pay in Bitcoin—often via QR code or the Lightning Network—funds are automatically converted into U.S. dollars at the point of sale. This removes exposure to Bitcoin’s price volatility, one of the main barriers to adoption for small businesses. Merchants can still choose alternatives, including receiving Bitcoin directly, converting only a portion of sales into BTC, or opting out entirely.

Built Into Existing Checkout Flows

The feature integrates directly into Square’s existing point-of-sale systems, requiring no new hardware or technical setup. Payments are processed using the Lightning Network, allowing near-instant transactions with minimal fees. For customers, the experience is similar to scanning any digital payment QR code, while for merchants, it behaves like a standard card transaction; just with different rails underneath.

Pricing Strategy Signals Push for Adoption

Square is waiving processing fees for Bitcoin payments through at least the end of 2026, with a planned flat fee of around 1% afterward, generally lower than traditional card networks. The absence of chargebacks also changes the risk profile for merchants, particularly in sectors where disputes are common.

Square first introduced Bitcoin payments in 2025, but adoption required merchants to actively enable the feature. By making it automatic, the company is removing one of the biggest friction points: setup. With an estimated 4 million sellers in the U.S., the shift effectively turns Bitcoin acceptance into a built-in capability rather than an optional add-on.

The move doesn’t guarantee that all merchants will actively use Bitcoin, but it dramatically increases the number of places where it can be accepted. Instead of relying on individual businesses to opt in, Bitcoin is now embedded into a widely used payment system, making adoption more passive and potentially more scalable.

Square’s default rollout reframes Bitcoin from a niche payment method into a standard option at checkout, at least in terms of infrastructure. Whether consumers use it at scale remains to be seen, but the barrier to trying it has just been significantly lowered.

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