The leading decentralized exchange on the Solana (SOL) blockchain, Orca, will prohibit users from the United States from trading coins on its front-end website effective March 31. On March 16, 2023, Orca announced via its official website that it was… The leading decentralized exchange on the Solana (SOL) blockchain, Orca, will prohibit users from the United States from trading coins on its front-end website effective March 31. On March 16, 2023, Orca announced via its official website that it was… crypto.news