Frax Ether

What is Frax Ether?

Frax Ether is a liquid staking derivative (LSD) protocol developed by the Frax Finance team, the creators of the partially algorithmic FRAX stablecoin. Launched in late 2022, Frax Ether introduced a unique dual-token model that separates the staking derivative from the yield-bearing component, allowing users to choose between liquidity and maximizing staking returns. The protocol has rapidly grown to become one of the top liquid staking providers, with billions in total value locked.

The Frax ecosystem is known for its innovative approach to DeFi primitives, and Frax Ether extends this philosophy to Ethereum staking. By offering two distinct tokens, frxETH and sfrxETH, the protocol caters to different user needs: those who want a stable ETH-pegged asset for DeFi and those who want to maximize their staking yield. This flexibility, combined with deep liquidity incentives and integration across major DeFi protocols, has made Frax Ether a compelling alternative to established players like Lido.

The protocol operates its own validator infrastructure alongside a network of professional node operators, maintaining high uptime and security standards. Frax has also pioneered additional features like frxETH redemption directly to ETH and integration with the broader Frax ecosystem including Fraxswap, Fraxlend, and the upcoming Fraxchain Layer 2.

Key Statistics

• Total Value Locked: $1.5B+ in staked ETH
• Supported Tokens: frxETH (liquid) and sfrxETH (yield-bearing)
• Networks: Ethereum mainnet, with bridges to Arbitrum, Optimism, and Fraxtal
• Validators: Professional node operator network
• Security Audits: Multiple audits from Trail of Bits, Code4rena, and internal security reviews
• Governance: Controlled by veFXS holders through Frax governance

How Frax Ether Works

The Dual-Token Model

Frax Ether's innovation lies in separating liquidity from yield:

• Minted 1:1 when you deposit ETH
• Pegged to ETH, does NOT accrue staking rewards
• Designed for DeFi usage: LPing, collateral, trading
• Deep liquidity on Curve and other DEXs
• Can be staked to receive sfrxETH

• Received when you stake frxETH in the staking vault
• Accumulates ALL staking rewards from the system
• Value increases relative to frxETH over time
• Ideal for passive yield maximization
• Can be unstaked back to frxETH anytime

The Yield Advantage

Because frxETH holders do not receive staking rewards (they use it for liquidity), all staking yields flow to sfrxETH holders. This means sfrxETH APY is typically higher than competitors:

• If 50% of frxETH is staked as sfrxETH, yields are 2x base rate
• If 30% is staked, yields are ~3.3x base rate
• Current sfrxETH yields often exceed 4-6% APR

Step-by-Step: Using Frax Ether

1. Visit app.frax.finance/frxeth/mint
2. Connect your wallet
3. Enter ETH amount to stake
4. Approve and confirm transaction
5. Receive frxETH immediately

1. Navigate to the sfrxETH vault
2. Approve frxETH spending
3. Deposit frxETH into the vault
4. Receive sfrxETH tokens
5. Rewards accrue automatically

1. Use the redemption queue for direct ETH
2. Or swap on Curve for instant liquidity

Tracking yields across both frxETH strategies can be complex. Fensory helps you monitor sfrxETH APY and compare it against other liquid staking options in real-time.

Frax Ether Fees

Current APY Ranges

Key Features

1. Yield Optimization

sfrxETH consistently offers higher yields than competitors due to the dual-token model where non-staking frxETH holders forgo rewards.

2. Deep Liquidity

frxETH maintains significant liquidity on Curve through FXS incentives, ensuring minimal slippage for large trades.

3. DeFi Integration

Both frxETH and sfrxETH are widely integrated:

• Collateral on Fraxlend, Aave, and Maker
• LP opportunities on Curve, Balancer, Convex
• Supported on major L2s

4. Redemption Queue

Direct ETH redemption without DEX swapping, reducing costs for large withdrawals.

5. Ecosystem Synergies

Part of the larger Frax ecosystem including FRAX stablecoin, FPI inflation token, Fraxswap, and upcoming Fraxchain.

Frax Ether vs Competitors

Risk Considerations

Smart Contract Risk

Frax Ether contracts have been audited but remain complex. The dual-token model introduces additional contract interactions compared to simpler designs.

Depeg Risk

frxETH maintains a soft peg to ETH through liquidity incentives. In extreme market stress, frxETH could trade below ETH value temporarily.

Validator Risk

The protocol relies on professional operators. Slashing events could impact staking returns, though Frax maintains reserves.

Governance Risk

Protocol parameters are controlled by veFXS holders. Changes could affect yields or functionality.

Complexity Risk

The dual-token model requires understanding which token to hold for your goals. Holding frxETH without staking means forgoing yield.

Regulatory Risk

Liquid staking faces evolving regulatory scrutiny globally.

Frequently Asked Questions

Hold sfrxETH if you want passive staking yield. Hold frxETH if you plan to LP or use it as collateral where rebasing causes issues.

The dual-token model means sfrxETH holders receive concentrated yields from all staked ETH, while frxETH holders in liquidity pools forgo staking rewards.

Yes, Frax Ether has a redemption queue for direct ETH withdrawals, though timing varies based on queue depth.

frxETH is accepted as collateral on major platforms including Fraxlend and Aave. However, depeg risk exists in extreme conditions.

Frax Ether is a liquid staking token (LST) for Ethereum consensus staking. Restaking protocols like EigenLayer allow additional yield by restaking LSTs for other services, introducing additional risks and rewards.

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