The United States Securities and Exchange Commission (SEC) has taken legal action against blockchain software firm Consensys, accusing the company of operating as an unregistered broker through its popular MetaMask platform. According to the SEC, Consensys has been offering brokerage and staking services through MetaMask without proper registration, violating regulatory requirements. The lawsuit marks the latest development in the SEC's efforts to enforce securities laws within the rapidly evolving world of cryptocurrency and blockchain technology.