In brief The U.S. Treasury and IRS issued guidance Monday allowing Wall Street crypto products to offer staking rewards under a new safe harbor. The move gives regulatory clarity to staking assets like Ethereum and Solana, easing institutional participation. Industry leaders say the guidance could significantly boost mainstream adoption of proof-of-stake blockchains. The U.S. Treasury Department and the IRS issued new guidance Monday that paves the way for Wall Street-traded crypto products to g...