The Amicus Brief for Coinbase in support of the Ripple Fair Notice Defense has been submitted. The price of XRP has increased due to this significant development. Price Explosion of XRP: On Tuesday, Judge Analisa Torres approved Coinbase's request to submit an amicus brief in favour of Ripple's fair notice defence. This significant development in the Ripple litigation has directly caused the price of XRP to soar. But it has also increased the whales' interest in XRP.