By Tom Wilson, Elizabeth Howcroft and Hannah Lang LONDON/WASHINGTON (Reuters) - Bitcoin rose suddenly on Monday, before giving up nearly all its gains, after asset manager BlackRock denied a crypto media report that U.S. regulators had approved its high-profile application for

By Manya Saini  (Reuters) - Asset manager Valkyrie has filed for an Ethereum Strategy exchange-traded fund (ETF) that will invest in ether futures and other collateral assets, paperwork filed with the U.S. Securities and Exchange Commission showed on Wednesday. After a brutal

By John McCrank and Carolina Mandl (Reuters) - Exchange operator Cboe on Friday refiled an application with the U.S. securities regulator to launch a bitcoin exchange-traded fund by asset manager Fidelity, saying it would work with global crypto exchange Coinbase to