Blockchains / Frax Finance
FXS

Frax Finance

FXS

Fractional-algorithmic stablecoin protocol with liquid staking and lending

DeFi stablecoindefiethereumlsd
Launched
2020
Founder
Sam Kazemian
Website
frax.finance
Primitives
2

Introduction to Frax Finance

Frax Finance pioneered the concept of fractional-algorithmic stablecoins, combining collateral backing with algorithmic mechanisms. Originally launching FRAX as a partially collateralized stablecoin, the protocol has evolved into a comprehensive DeFi ecosystem including Frax Ether (frxETH), Frax Lend, and the upcoming Fraxtal L2.

Founded by Sam Kazemian, Frax demonstrated that stablecoins didn’t need to be purely collateralized (like USDC) or purely algorithmic (like failed UST). The fractional approach adjusted collateral ratios based on market conditions, though FRAX has since moved toward full collateralization.

The Fractional Innovation

Original Concept

Fractional design:

  • Partially collateralized
  • Algorithmic portion
  • Dynamic ratio
  • Market-responsive

How It Worked

Mechanism:

  • Collateral ratio adjusts
  • FXS absorbs volatility
  • Market arbitrage
  • Peg maintenance

Evolution

Current state:

  • Moving to full collateral
  • Less algorithmic risk
  • More conservative
  • Proven stability

Frax Ecosystem Products

FRAX Stablecoin

Core product:

  • USD-pegged stablecoin
  • Collateral backed
  • DeFi integrated
  • Wide adoption

frxETH / sfrxETH

Liquid staking:

  • Stake ETH via Frax
  • Receive frxETH
  • Stake frxETH for sfrxETH
  • Earn staking yield

FraxLend

Lending protocol:

  • Isolated lending pairs
  • Custom terms
  • Risk isolation
  • Capital efficiency

sFRAX

Yield-bearing FRAX:

  • Stake FRAX for yield
  • Treasury-backed yields
  • Real-world assets
  • Stablecoin utility

Technical Specifications

MetricValue
ChainsEthereum + many
StablecoinFRAX
Gov TokenFXS
LSTfrxETH/sfrxETH
LendingFraxLend
L2Fraxtal

Token System

FXS (Frax Share)

Governance token:

  • Protocol governance
  • Fee capture
  • veFXS staking
  • Value accrual

veFXS

Vote-escrowed FXS:

  • Lock FXS for veFXS
  • Governance power
  • Boost rewards
  • Fee share

FRAX

Stablecoin:

  • USD-pegged
  • Collateral backed
  • DeFi usage
  • Growing supply

Liquid Staking (frxETH)

How It Works

Staking mechanism:

  1. Deposit ETH
  2. Receive frxETH
  3. Stake for sfrxETH (optional)
  4. Earn staking rewards

Two Token System

Design choice:

  • frxETH: Liquid ETH equivalent
  • sfrxETH: Yield-bearing version
  • All yield to sfrxETH
  • DeFi flexibility

Competitive Position

vs. other LSTs:

  • Dual token design
  • High yield to stakers
  • DeFi integration
  • Growing market share

Fraxtal: Layer 2

Layer 2 Launch

New network:

Features

L2 capabilities:

  • Low fees
  • Fast transactions
  • Frax ecosystem
  • Developer incentives

Flox Points

Incentive program:

  • Activity rewards
  • User acquisition
  • Ecosystem building
  • Potential airdrop

Competition and Positioning

vs. Other Stablecoins

StablecoinBackingYield
FRAXFull collateralsFRAX
DAIOvercollateralDSR
USDCFiatNone

vs. Other LSD

ProtocolToken(s)Approach
FraxfrxETH/sfrxETHDual token
LidostETHRebasing
Rocket PoolrETHPrice appreciation

Market Position

Current standing:

  • Major DeFi protocol
  • Multiple products
  • Growing ecosystem
  • Active development

Challenges and Criticism

Complexity

Product variety:

  • Many tokens
  • Various products
  • Learning curve
  • User confusion

Competition

Market dynamics:

  • Many stablecoins
  • LST competition
  • L2 competition
  • Market share pressure

Governance Centralization

Control concerns:

  • Team influence
  • veFXS concentration
  • Decision making
  • Decentralization progress

Recent Developments

Full Collateralization

Conservative shift:

  • 100% collateral
  • Reduced algorithmic risk
  • Stability focus
  • Trust building

Fraxtal Launch

L2 expansion:

  • Network launch
  • Ecosystem migration
  • Developer incentives
  • Growth focus

sFRAX and Yield

Real-world assets:

  • Treasury integration
  • Yield generation
  • Stablecoin utility
  • RWA exposure

Future Roadmap

Development priorities:

  • Fraxtal: L2 ecosystem growth
  • Stability: Full collateralization
  • Yield: RWA integration
  • LSD: frxETH expansion
  • Ecosystem: Product integration

Conclusion

Frax Finance has evolved from a novel fractional stablecoin concept into a comprehensive DeFi ecosystem spanning stablecoins, liquid staking, lending, and now Layer 2 infrastructure. The move toward full collateralization demonstrates pragmatic adaptation.

The dual-token liquid staking design and sFRAX yield product show continued innovation beyond the original stablecoin. Fraxtal expansion into L2 positions Frax for the modular blockchain future.

For DeFi users seeking yield on stablecoins, liquid staking exposure, or integrated DeFi products, Frax provides a comprehensive ecosystem. Success depends on Fraxtal adoption and maintaining competitive positioning across multiple product categories.