Crypto Gloss

agEUR

agEUR is the flagship euro-pegged stablecoin issued by Angle Protocol, a decentralized multi-stablecoin protocol deployed on Ethereum in November 2021. Angle Protocol’s design has evolved significantly through multiple versions: the original V1 used a unique Core Module combining standard USDC collateral with a specialized Hedging Agent mechanism; V2 introduced the Transmuter — Angle’s primary stability innovation — which allows direct 1:1 swapping between agEUR and underlying collateral assets (USDC, other stablecoins) in both directions, creating a highly efficient peg mechanism without requiring over-collateralization ratios above 100%. Angle Protocol also operates a Borrowing Module where users can over-collateralize with assets like ETH or WBTC to mint agEUR, similar to MakerDAO’s CDP system. ANGLE is the protocol’s governance token, allowing holders to direct protocol parameters, authorize new collateral types, and manage the Transmuter’s collateral ratios. Angle’s broader product suite is expanding beyond agEUR: USDA (a USD-pegged stablecoin using the same mechanisms) launched in 2024, positioning Angle as a multi-currency stablecoin issuer targeting the gap between purely USD-focused DeFi and European institutional users needing EUR-denominated positions. Angle has established significant liquidity in Curve’s agEUR pools and integrated with multiple DeFi protocols including Aave, Euler, and various DEXes, making agEUR the DeFi-native EUR stablecoin with the deepest liquidity despite being more complex than fiat-backed competitors like EUROe or EURS.

Key Facts

  • Protocol: Angle Protocol
  • Launched: November 2021 (Ethereum)
  • Stablecoin: agEUR (EUR-pegged)
  • Secondary stablecoin: USDA (USD-pegged, launched 2024)
  • Governance token: ANGLE (veANGLE voting system)
  • Primary mechanism: Transmuter (V2)
  • Secondary mechanism: Borrowing module (over-collateralized)
  • Chains: Ethereum, Polygon, Arbitrum, Optimism, others

Transmuter Mechanism (V2)

The Transmuter is Angle’s core stability innovation:

How it works:

  1. User: deposits USDC into Transmuter
  2. Protocol: mints agEUR at EUR/USD market rate (1:1 in collateral terms)
  3. User: deposits agEUR into Transmuter
  4. Protocol: redeems USDC (or other collateral) at EUR/USD rate

Key properties:

  • Direct 1:1 swap: No slippage within capacity limits
  • Collateral basket: Multiple stablecoins (USDC, EURC, other) in the Transmuter
  • Stable peg: Any USDC holder can create agEUR or redeem agEUR for USDC at fair value
  • No over-collateralization required: 100% backing sufficient (vs. DAI’s 150%)

Angle V1 vs. V2

Feature V1 (Core Module) V2 (Transmuter)
Primary mechanism Standard Agents + Hedgers Transmuter (direct swap)
Collateral USDC (primary) Multi-stablecoin basket
Stability Hedging Agent system Direct redemption
Capital efficiency Complex Simple and direct
Status Legacy Current primary

agEUR DeFi Integrations

Key DeFi integrations building agEUR utility:

  • Curve Finance: agEUR/3CRV pool; agEUR/EURS pool; significant TVL
  • Aave: agEUR as lending/borrowing asset (v2 and v3)
  • Euler Finance: agEUR lending (before Euler exploited)
  • Uniswap v3: agEUR/USDC concentrated liquidity positions
  • Angle Borrowing: Native CDP-style over-collateralized borrowing

Social Media Sentiment

Angle Protocol’s agEUR had brief but genuine traction as a non-USD stablecoin alternative. CT sentiment is cautious — the Euler Finance hack in 2023 hit Angle’s key collateral and forced a depeg. Recovery was partial but the episode highlighted risks in complex CDP stablecoins. The protocol’s pivot toward USDA and different collateral mix is watched by the euro stablecoin niche.

Last updated: 2026-04

Related Terms

Sources