Get Currency

curl --request GET \
  --url https://api.copper.co/platform/currencies/{currency}-{mainCurrency}

{
  "confirmations": "<string>",
  "crossChainNetworks": [
    "<string>"
  ],
  "currency": "<string>",
  "decimal": "<string>",
  "extra": {},
  "fiat": true,
  "mainCurrency": "<string>",
  "name": "<string>",
  "networkName": "<string>",
  "protocol": "<string>",
  "stableCoin": true,
  "tags": [
    "deposit-custody"
  ]
}