[Coinbase Opens Trading for STRK, ATH, RAY, and NCT to New York Residents] According to Golden Finance, Coinbase has officially announced that trading for Aethir (ATH), Raydium (RAY), PolySwarm (NCT), and Starknet (STRK) is now available to New York residents. Users can now buy, sell, exchange, send, receive, or store these digital assets on the website and mobile app.