Stablecoins have emerged as a potential challenger to the $1 trillion duopoly of Visa and Mastercard. These stablecoins offer the promise of significantly lower transaction fees, which could disrupt the current market dynamics dominated by Visa and Mastercard. However, the path to widespread adoption is fraught with regulatory and banking industry pressures.The Current LandscapeVisa and Mastercard currently charge merchants transaction fees of up to 2-3%, which is often the second-largest exp...