What is Unus Sed LEO (LEO)
UNUS SED LEO (LEO) is a utility token designed to empower the Bitfinex community and provide utility for those seeking to maximize the output and capabilities of the Bitfinex trading platform.
Upon publishing the UNUS SED LEO whitepaper on Friday, May 10th, Bitfinex conducted and completed in under a week a private sale of 100% of outstanding UNUS SED LEO tokens in exchange for one billion USDt worth of Bitcoin, USD, and USDt.
The overwhelming response and expedient execution of the token sale represents a new milestone for Bitfinex and the greater Blockchain community.
Token holders will experience benefits across the entire portfolio and are expected to obtain benefits from future projects, products, and services, as detailed in the whitepaper.
Benefits of holding UNUS SED LEO (commencing within three months) include (but are not limited to):
- Bitfinex crypto and fiat withdrawals and deposits fee discount -- Holders of > 50m UNUS SED LEO tokens will receive up to a 25% crypto withdrawal and deposit fee discount. Holders of > 50m USDt worth of UNUS SED LEO tokens (on average) in the previous month (calculated using every day in the month) are able to withdraw 2m USD fiat per month without additional fees. Also, the additional fee will be reduced to 2% (instead of 3%) on any withdrawal above 2m USD fiat monthly.
For further information on the UNUS SED LEO token and benefits, download our whitepaper here.
Unus Sed LEO is issued on Vaulta and ERC20 blockchains, with both versions easily converted on Bitfinex.
Note: as announced, tokens on EOS were rebranded into tokens on Vaulta on 18/06/2025.
For more information on UNUS SED LEO transactions, please see our guide: How to use a memo/tag/Payment ID when making a deposit or withdrawal on Bitfinex.
Important: Unus Sed LEO deposits, trading, and withdrawals are available to Basic Plus and above-verified users and not available to specific jurisdictions.
To verify, traders should head to bitfinex.com/verification
Supported Transport Protocol
- ERC-20
- Vaulta
Supported Blockchain
- Ethereum
- Vaulta