$USDC Visa and Mastercard stocks fell by around 5% on the news that major retailers including Amazon and Walmart are exploring the use of stablecoins. The shift comes in the wake of the GENIUS Act, which streamlines regulatory frameworks and paves the way for broader adoption.

Stablecoins have the potential to reduce payment processing costs by up to 85%, posing a serious challenge to traditional card networks. For Visa and Mastercard, the message is clear: it may be time to engage with Web3 – or risk being left behind.