Liquid Restaking : Plus de rendement, plus de risque — L'opération que personne n'explique bien

Le réinvestissement liquide est une extension de jalonnement liquide where users take already-staked assets (like stETH from Lido) and restake them through EigenLayer to earn additional yield while receiving liquid tokens (LRTs, or Liquid Restaking Tokens) that represent the combined staking position and remain usable in DeFi.

EigenLayer a été le pionnier du concept de restaking sur Ethereum, permettant aux détenteurs d'ETH d'étendre leur sécurité cryptoéconomique à de nouveaux protocoles (services à validation active, ou AVS) au-delà d'Ethereum lui-même.

Liquid restaking protocols (ether.fi, Renzo, Kelp DAO, Puffer Finance) automate this process by depositing into Couche propre on users’ behalf and issuing liquid tokens (eETH, ezETH, rsETH, pufETH) that automatically compound restaking rewards and remain usable as DeFi collateral, creating a yield-on-yield stack with additional tailladant risque.

By 2026, EigenLayer has broadened its own positioning beyond pure restaking, rebranding its wider platform as EigenCloud and pushing into verifiable compute and AI-agent infrastructure worth knowing, since “EigenLayer” and “restaking” are no longer fully interchangeable the way they were in 2023–2024.

Origine & Histoire

DateEspaces
juin 2023EigenLayer mainnet opens for stETH restaking, introducing the “restaking” concept
2023 - octobreRenzo Protocol launches; ezETH becomes one of the largest LRT tokens
novembre 2023ether.fi launches as a major liquid restaking protocol; eETH token
Mar 2024EigenLayer opens for unrestricted deposits; TVL exceeds $15B by April–May 2024
avril 2024Renzo’s ezETH de-pegs roughly 18–20% following airdrop-design backlash
2024Distribution gratuite de jetons EIGEN ; lancement des services validés activement
2025EigenLayer TVL climbs as high as $25B before entering a slower, more selective growth phase
18 avril 2026Kelp DAO’s LayerZero bridge is exploited for ~$292–294M (18% of rsETH’s circulating supply), the largest DeFi hack of 2026, triggering ~$13B in two-day TVL outflows sector-wide and freezes on rsETH markets across Aave, SparkLend, and Fluid
27 avril 2026A coordinated industry recovery effort (Aave, Consensys, Lido, ether.fi, and others) pledges 300M+ in support for affected users
Mar 2026EigenLayer/EigenCloud TVL stabilizes around $8.9B, roughly half Lido’s $18.32B, marking a maturation phase for restaking

Lire aussi: Staking

Fonctionnement

Protocole TLRToken SupportRemarques
ether.fiETHETH dans EigenLayerLargest LRT by TVL; distinguished by non-custodial key management — users retain withdrawal keys
RenzoezETHETH dans EigenLayerOne of the largest LRTs; suffered an 18%+ de-peg in April 2024
Varech DAOrsETHETH dans EigenLayerSuffered a $292M cross-chain bridge exploit in April 2026
Financement PufferpufETHETH dans EigenLayerFocused on anti-slashing technology and reducing operator concentration risk
« Le restaking est l'innovation la plus rentable en matière de capital dans le staking Ethereum : un ETH sécurise désormais Ethereum et tous les AVS qui adoptent EigenLayer. La question est de savoir si la pyramide des risques est viable. »
Chercheur EigenLayer

Beyond EigenLayer itself, two newer restaking layers have gained relevance: Symbiotique (permissionless, modular) and Karak (multi-asset, accepting wBTC and stablecoins as collateral alongside ETH).

EigenLayer domine toujours la catégorie avec environ 93 % de parts de marché, mais ce n'est plus la seule option sérieuse.

En termes simples

  1. Yield stacking: Regular ETH staking earns roughly 3–4% APY. Restaking adds incremental yield from securing additional services. Liquid restaking tokens let you do this while keeping your ETH DeFi-composable.
  2. EigenLayer foundation: EigenLayer is the base restaking layer — it lets ETH stakers “opt in” to securing new crypto services (oracle networks, bridges, rollups) and earn fees for that work.
  3. LRT tokens: Liquid Restaking Tokens (eETH, rsETH, ezETH) are your receipt for restaked ETH — they accrue restaking rewards and can be used in DeFi, similar to stETH but with restaking yield layered on top.
  4. Additional slashing risk: The extra yield comes with extra risk — restaked ETH can be slashed not just by Ethereum validators but also by AVS contracts that detect misbehavior.
  5. De-peg and bridge risk: LRTs can trade at a discount to ETH during stress events. Renzo’s 2024 de-peg came from panic selling; Kelp’s 2026 incident came from a cross-chain bridge exploit a reminder that risk in this category isn’t limited to peg mechanics alone.

Exemples du monde réel

ScénarioMise en œuvreRésultat
ether.fi eETHDeposit ETH → get eETH → use as Aave collateral → borrow USDCETH génère des APY de staking et de restaking lorsqu'il est déployé dans la DeFi
Renzo de-peg (2024)Airdrop design backlash → mass sell of ezETHLeveraged ezETH positions liquidated; early LRT risk demonstrated
Kelp DAO exploit (2026)Attacker compromised LayerZero bridge infrastructure, minted ~$292M in unbacked rsETHLargest DeFi hack of 2026; Aave froze rsETH markets, ~$13B exited DeFi in 48 hours, industry-wide recovery fund launched
Sécurité AVSAn EigenLayer AVS (e.g. an oracle network) uses restaked ETH for securityThe service inherits Ethereum-level cryptoeconomic security without needing its own token
Comparaison des rendementsRegular stETH: ~3–4% APYLiquid restaked LRTs: roughly 4–7% total APY including AVS rewards and incentives, down from the inflated points-farming-era estimates of 2024

Avantages

AvantageDescription
Rendement amélioréRécompenses supplémentaires liées à l'obtention d'AVS, en plus du rendement de base du staking.
Efficacité du capitalOne ETH can simultaneously help secure multiple protocols
composabilité DeFiLes jetons LRT utilisables dans la DeFi comme stETH
extension de sécurité EthereumLets new protocols bootstrap security using Ethereum’s existing trust
Ecosystem diversificationBeyond EigenLayer, options like Symbiotic and Karak now offer different collateral and governance trade-offs

Inconvénients et risques

DésavantageDescription
Risque de coupures à plusieurs niveauxETH can be slashed by Ethereum validators AND by AVS contracts
risque de déconnexion du LRTRenzo (2024) de-pegged on panic selling; peg risk remains real even without an exploit
Cross-chain bridge riskKelp DAO’s 2026 exploit came through bridge infrastructure, not the core restaking contracts — a distinct attack surface from slashing
Smart contract and infrastructure complexityMultiple nested protocols and cross-chain messaging layers each add their own risk surface
durabilité du rendementRestaking yields depend on AVS ecosystem fees growing; much of the historical yield came from token incentives, not durable revenue
Sector-wide contagionThe Kelp DAO exploit demonstrated that one LRT’s failure can freeze markets and drain liquidity across unrelated protocols within hours

Conseils de gestion des risques :

  • Understand all slashing and bridge-dependency conditions before restaking — not just Ethereum validator risk, but each AVS and each cross-chain link involved.
  • Never use leveraged LRT positions without understanding de-peg and liquidation risk.
  • Diversify across LRT providers rather than concentrating in one.
  • Monitor LRT/ETH peg ratios, and be aware that a protocol’s cross-chain bridge can be a bigger risk than its core restaking logic.
  • Treat 2024-era yield figures as historical — post-EIGEN-airdrop, sustainable real yield is meaningfully lower.

Questions fréquemment posées

Quelle est la différence entre le staking liquide et le re-staking liquide ?

Liquid staking (Lido's stETH) stakes ETH for Ethereum validator rewards. Liquid restaking goes further – that staked ETH is also restaked in EigenLayer to secure additional services (AVSs), earning extra yield from those services too.

Puis-je perdre mes ETH lors d'un restaking liquide ?

Oui. Les ETH restakeés peuvent subir une perte (destruction partielle) si vous exécutez un nœud validateur ayant un comportement malhonnête sur un AVS. Déléguer à un protocole de restaking liquide réduit (mais n'élimine pas) ce risque : les opérateurs de nœuds du protocole prennent en charge le risque de perte.

Pourquoi Renzo ezETH a-t-il abandonné ?

En avril 2024, Renzo a annoncé son airdrop de REZ, dont l'allocation a déçu de nombreux participants. La vente massive d'ezETH pour liquider leurs positions a dépassé la liquidité ETH disponible dans les pools, faisant chuter temporairement le prix de l'ezETH à environ 688 $ sur Uniswap (soit une décote de plus de 18 % par rapport à l'ETH) avant qu'il ne se redresse.

Le réinvestissement de liquidités est-il durable à long terme ?

Le rendement dépend de la croissance des frais AVS à mesure que l'écosystème se développe. Actuellement, une part importante du rendement provient des incitations liées aux jetons du protocole (inflation non durable). Un rendement réellement durable exige que l'économie AVS génère des frais réels, ce qui reste à démontrer.

Actualités et Événements