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What Is LEO Token?

LEO Token, formally named UNUS SED LEO, is the utility token of iFinex, the parent company of the Bitfinex cryptocurrency exchange and several other digital asset products. It was launched in May 2019 and is used primarily on Bitfinex for trading fee discounts and other platform benefits. LEO has a unique buyback-and-burn structure tied directly to iFinex's revenue, which has steadily reduced its circulating supply since launch.

LEO was launched under unusual circumstances. In April 2019, the New York Attorney General's office accused iFinex of using $850 million from Tether's reserves to cover a loss linked to its payment processor Crypto Capital Corp. To plug the resulting capital hole, iFinex sold $1 billion of LEO tokens to private investors in May 2019, raising the funds in roughly 10 days. The episode is unique in crypto history as one of the largest capital raises explicitly conducted to cover a recovery from a financial shortfall, and the LEO whitepaper described the token's purpose in those terms.

LEO was originally issued in two forms: an ERC-20 version on Ethereum and a counterpart on EOS. The two are interchangeable through a swap mechanism, allowing holders to choose which network they prefer. Total initial supply was 1,000,000,000 LEO. The token has no formal "burn schedule" tied to a calendar; instead, iFinex commits to use a portion of its consolidated revenue to repurchase LEO from the open market and permanently destroy it.

The buyback-and-burn structure is the defining economic feature of LEO. iFinex commits to use a minimum of 27% of its consolidated gross revenues to repurchase LEO each month, and additional buybacks are tied to specific events, including any recovery of the funds frozen by Crypto Capital Corp and any insurance payouts related to the historical Bitfinex hack. Over time, this program has consistently shrunk LEO's circulating supply.

Holders use LEO across the iFinex ecosystem in several ways. Trading on Bitfinex with LEO unlocks tiered fee discounts, with larger discounts for holders of larger balances and especially for using LEO directly to pay fees on stablecoin and crypto-to-fiat trades. Lending fees, withdrawal fees, and derivatives trading on Bitfinex also benefit from LEO discounts. Other iFinex products, including the Ethfinex spinoff (now defunct) and various Bitfinex services, have at times integrated LEO benefits.

LEO is not designed to function as a currency or stablecoin, and it does not have governance rights over iFinex or Bitfinex. It is best understood as a "fee token" plus a structured exposure to iFinex's profitability, since revenue-driven buybacks are the primary source of demand. Like other exchange tokens (BNB, OKB, BGB, KCS), LEO's long-term value is tied closely to its issuing exchange's continued operation and competitive position.

Bitfinex itself is one of the longest-running cryptocurrency exchanges, with deep liquidity in spot and derivatives markets, particularly for stablecoin and major altcoin pairs. iFinex is also affiliated with Tether Limited, the issuer of USDT, although the two operate as separate entities for purposes of governance and reserves. Regulatory scrutiny of iFinex and Tether has at times affected LEO's market perception.

Getting Started With LEO Token

Most LEO holders use the token on Bitfinex itself, although it can also be self-custodied like any other ERC-20 or EOS token:

  1. Step 1: Open and verify a Bitfinex account if you want to access the full set of LEO benefits.
  2. Step 2: Acquire LEO either by purchasing it on Bitfinex (preferred for fee discounts) or on a supporting external exchange.
  3. Step 3: Hold LEO in your Bitfinex account to automatically qualify for fee discounts based on your tier and trading activity.
  4. Step 4: Optionally withdraw LEO to a self-custody wallet on Ethereum or EOS for long-term holding.
  5. Step 5: Track ongoing buyback-and-burn updates published by iFinex to monitor the supply reduction.

Note that on Bitfinex, fee discounts depend on both your LEO balance and the type of trade. Be sure to review the current discount schedule on the official Bitfinex fee schedule before assuming a particular rate.

How to Get a LEO Token Wallet?

LEO exists primarily as an ERC-20 token on Ethereum, with a parallel EOS-based version. Wallet choices depend on which version you hold:

MetaMask (Ethereum)

MetaMask is the most common wallet for LEO on Ethereum. Add the LEO token contract address to view and manage your balance. Note that all transfers require ETH for gas.

Ledger Hardware Wallet

Ledger devices support LEO on Ethereum via integrations with MetaMask, Rabby, or Ledger Live. For long-term holders, hardware wallets are the recommended option.

Bitfinex Account Wallet

Holding LEO directly in your verified Bitfinex account is required to access most fee discount benefits. While this is custodial storage, it is the only way to take full advantage of LEO's utility. Many holders split their balance, keeping a working amount on Bitfinex and a long-term position in self-custody.

EOS Wallets

For LEO held on EOS, wallets such as Anchor, Wombat, or TokenPocket can store and transfer the token. The EOS version is convertible 1:1 with the Ethereum version through Bitfinex's swap mechanism.

LEO Token Resources

How to Buy LEO Token?

LEO has its deepest liquidity on Bitfinex itself, with secondary listings on a small number of other exchanges:

Bitfinex

Bitfinex is by far the largest market for LEO. Trading pairs include LEO/USD, LEO/USDt, and LEO against other major assets. Buying LEO on Bitfinex is the most direct way to access fee-discount benefits.

Other Centralized Exchanges

LEO is listed on a smaller set of additional centralized exchanges, including Gate.io, HTX, and several derivatives platforms. Liquidity outside Bitfinex is generally thinner, so check spreads and order book depth before placing larger trades.

Decentralized Exchanges

Because LEO is an ERC-20 token, it can be swapped on Ethereum-based DEXs such as Uniswap. However, LEO's on-chain liquidity is significantly thinner than its centralized exchange liquidity, so DEX trades tend to suffer from higher slippage.

After purchasing, consider holding LEO on Bitfinex if you actively trade there, and consult the official fee schedule to understand which discount tier your balance qualifies for.

Latest LEO Token News

iFinex continues to publish regular updates on the LEO buyback-and-burn program through its transparency portal. The token's circulating supply has steadily declined since 2019 as monthly buybacks accumulate, and event-driven burns tied to recovered funds have periodically accelerated the reduction. Bitfinex remains a major exchange for stablecoin and major altcoin trading, and LEO's role as a fee-discount and supply-deflationary asset has been a relatively stable feature of the iFinex ecosystem.

Through 2025 and into 2026, the LEO token has continued to be one of the longer-lived exchange tokens, with its market cap reflecting both Bitfinex's revenue performance and the cumulative effect of years of buybacks. Holders watching LEO closely should follow iFinex's quarterly disclosures, the Bitfinex fee schedule for any changes to discount tiers, and ongoing developments in the regulatory environment for the broader iFinex group, including its affiliate Tether.