Puffer Finance launched in early 2024 as a liquid restaking protocol with a unique focus: protecting validators from slashing risk. Founded by former security researchers, Puffer addressed the biggest concern about EigenLayer restaking — that AVS (Actively Validated Service) failures could cause validators to lose their staked ETH.
The protocol’s Secure-Signer technology, developed in collaboration with Intel, uses hardware-based security (SGX enclaves) to prevent validators from being slashed due to software bugs or misconfiguration. This “anti-slashing” guarantee made restaking accessible to risk-averse ETH holders who wanted restaking yield without the technical risks.
Puffer’s pufETH token — a liquid restaking token (LRT) — represented staked ETH that was simultaneously earning Ethereum staking yield and EigenLayer restaking rewards. This “double dip” yield proposition, combined with slashing protection, attracted significant deposits during the LRT wars of early 2024.
The protocol’s points campaign was aggressive. Puffer awarded points for depositing ETH, providing liquidity, and engaging with the ecosystem. The implied promise of a PUFFER token airdrop drove TVL to over $1 billion during peak points season, making Puffer one of the largest LRTs alongside EtherFi and Renzo.
The PUFFER token launched in Q4 2024, distributed to points holders and early participants. The airdrop was received with mixed reactions — a common pattern in 2024 as the sheer volume of airdrop-farming activity diluted per-user rewards across the industry.
Puffer’s contribution to the restaking ecosystem was raising the bar for validator security. Before Puffer, most restaking protocols treated slashing risk as an acceptable tradeoff for higher yields. Puffer proved that hardware-backed security could mitigate these risks without sacrificing returns.
As the restaking sector matured through 2024-2025, Puffer differentiated itself from competitors by focusing on institutional-grade security rather than maximizing yield at all costs. This positioning targeted the growing segment of ETH holders who wanted to participate in restaking but prioritized capital safety.
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