Access to XMLHttpRequest at 'https://chain.so/api/v2/get_tx_unspent/BTCTEST/muqFUCLSyCmLh114z4hF8sBqY6AKTjntdE' from origin 'http://localhost' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to XMLHttpRequest at 'https://chain.so/api/v2/get_tx_unspent/BTCTEST/muqFUCLSyCmLh114z4hF8sBqY6AKTjntdE' from origin 'http://localhost' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
i found this error when api calls get chain.so