March 18 (Reuters) - Cryptocurrency exchange Kraken has put its multibillion-dollar initial public offering plan on hold, CoinDesk reported on Wednesday, citing two people with knowledge of the matter Crypto exchange Kraken freezes IPO plans, CoinDesk reports | Reuters Skip to main content Exclusive news, data and analytics for financial market professionalsLearn more aboutRefinitiv Kraken cryptocurrency exchange logo is seen in this illustration taken July 28, 2022. REUTERS/Dado Ruvic/Illustration/File Pho ...