Cryptocurrency

Key	Type	Description
`currency_id`	string	`currency_id` is defined as `sygna`:`{SLIP-44 currency id}`.`{smart contract address or token id in each public blockchain}`
`currency_name`	string	The cryptocurrency name.
`currency_symbol`	string	The cryptocurrency symbol.
`is_active`	boolean	The status of whether this crypytocurrency still active in Sygna Bridge.
`addr_extra_info` (optional)	string []	The array of possible account keys in the specific platform(blockchain).

Sample Object

{
  "currency_id": "sygna:0x80000090",
  "currency_name": "XRP",
  "currency_symbol": "XRP",
  "is_active": true,
  "addr_extra_info": [
    "tag",
    "dt"
  ]
}