The UNUS SED LEO token was launched on May 22, 2019, after successful collection of US $ 1 billion, its launch was made exclusively in a double protocol where the token was distributed both in EOS and Ethereum. The UNUS SED LEO Transparency Panel can be accessed at the Bitfinex exchange, there is all the information about the token and its functionalities, which among them are to be used in trading fees at the Bitfinex exchange itself. But the token is listed on several other exchanges besides Bitfinex itself.