t() :: %ExFtx.Coin{
  bep2_asset: boolean() | nil,
  can_convert: boolean(),
  can_deposit: boolean(),
  can_withdraw: boolean(),
  collateral: boolean(),
  collateral_weight: number(),
  credit_to: term() | nil,
  erc20_contract: String.t() | nil,
  fiat: boolean(),
  has_tag: boolean(),
  id: String.t(),
  is_token: boolean(),
  methods: [String.t()],
  name: String.t(),
  spl_mint: String.t(),
  trc20_contract: String.t() | nil,
  usd_fungible: boolean()
}