SEC vs. Ripple NewsBTC. The U.S. Securities and Exchange Commission (SEC) made a surprise attack on the Ripple case by filing a letter of supplemental authority to strike Ripple’s “fair notice” defense. Simultaneously, the token XRP is down 2.33% in the last 24 hours to $0.7 following the market’s downtrend. The SEC’s Surprise Move As the popular SEC vs. …