Shares of cryptocurrency and blockchain-related companies fell before the opening bell on Tuesday after the US Securities and Exchange Commission sued Coinbase and Binance, accusing them of operating illegally. The lawsuit against Coinbase alleges it has operated since 2019 as an unregistered broker, evading disclosure requirements. Shares in Coinbase fell 16%, while Bitcoin also fell. Bitfarms dropped 4.5%, and crypto miners Riot Platforms, Marathon Digital and Hut 8 Mining fell between 1.3% and 5.4%