What is Ethena USDe?

USDe is a token meant to be worth one US dollar. It is not backed by dollars in a bank like USDT or USDC. Instead, its issuer, Ethena, holds crypto and at the same time bets against that crypto's price on futures markets, so that the two positions cancel out. Ethena calls it a synthetic dollar.

Where it came from

USDe appeared in 2024 and grew quickly. Ethena also has a separate governance token, ENA, whose holders vote on matters such as which collateral is accepted.

How it works

For each USDe created, Ethena holds two positions:

• Crypto it owns, mainly bitcoin, ether and staked ether, kept with custodians outside the exchanges.
• A short futures position of the same size on exchanges such as Binance, Bybit and OKX. A short gains when the price falls.

If bitcoin falls 10%, the crypto loses value and the short gains about the same. The total stays near one dollar.

Most people do not create USDe themselves. They buy it on exchanges or on decentralised exchanges such as Curve and Uniswap.

Where the yield comes from

Holders can stake USDe as sUSDe, which grows in value over time. The income comes from:

• Funding payments. On these futures, one side pays the other at regular intervals. When many traders bet on rising prices, they pay the shorts, and Ethena collects.
• Staking rewards on the ether it holds.
• Interest on stablecoins it holds.

Lesson 44 explains that every yield has a source. Here, a large part of it depends on traders being keen to bet on prices rising.

Risks to know

• Funding can turn negative. When traders turn pessimistic, Ethena pays instead of earning. A reserve fund is meant to cover this, but it is limited.
• It has slipped before. In the crash of 10 October 2025, USDe traded as low as about $0.65 on Binance, as markets seized up. On Curve and Uniswap it stayed near $0.99, redemptions with Ethena kept working at $1, and the price recovered the same day. Anyone forced to sell on Binance at the low still took the loss.
• Exchange and custody risk. The design depends on large exchanges and custodians working normally.
• High yields mean high risk. Lesson 50 explains how to judge a yield offer.

Learn more

Lesson 10 covers stablecoins, Lesson 44 explains where yield comes from, and Lesson 45 covers the risks of DeFi.