Circular announced the Ring 3 Pro and Ring 3 Slim this week, adding NFC contactless payments to its health-tracking lineup. The new devices pair heart-rate and sleep monitoring with haptic feedback and tap-to-pay, a feature that rival Oura doesn't offer. But the payments run on traditional fiat rails — there's no crypto wallet, no token, no blockchain integration.
What Circular added
The Ring 3 Pro and Ring 3 Slim are the company's first to include an NFC chip. That means wearers can tap to pay at any contactless terminal, just like a credit card or phone. The rings still do the usual health tracking — heart rate, sleep, activity — and add haptic alerts for notifications and payments. Circular is positioning them as a way to leave the phone at home, at least for quick errands.
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Why crypto isn't in the ring
The NFC chip inside is the same technology used for contactless crypto payments — think Lightning or tap-to-pay wallets. But Circular's software only supports card payments. There's no mention of Bitcoin, Ethereum, or any digital asset. That's a missed opportunity, and it's telling. Hardware makers are choosing convenience and regulatory compliance over the ethos of self-custody. The crypto community might cheer any move toward contactless payments, but this launch actually entrenches the existing fiat system.
Pressure on Oura
Oura, the market leader in smart rings, doesn't have NFC payments. That's a competitive gap. To keep up, Oura might have to add contactless payments — and that could open the door to crypto. If Oura partners with a crypto payment processor or adds wallet support as a differentiator, it would create a high-profile use case for digital assets in a consumer device. That's speculative, but the pressure is real.
The hardware is ready
The most interesting part is that the NFC chip in Circular's rings is hardware-ready for crypto. A future firmware update could enable direct crypto transactions without new hardware. That means millions of devices could become crypto payment terminals overnight — if a company flips the switch. That's a stealth on-ramp that most media will miss. The launch also comes during a crypto market downturn, but the infrastructure for payments is expanding. That disconnect between price action and adoption is a classic sign of a maturing market.
Whether Circular or Oura will embrace crypto remains an open question. For now, the rings are a reminder that the hardware race is being won by fiat — and crypto is watching from the sidelines.
