21Shares Introduces Exchange-Traded Product on Cronos (CRO) 21Shares, leading provider of exchange-traded products on digital assets, pioneers Cronos (CRO) ETF in Europe Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Bitcoin - @ January 1, 1970 12:00 am