If you’ve ever watched your DeFi position get liquidated during a flash crash, Vitalik Buterin has been thinking about you. The Ethereum co-founder published a proposal on EthResearch on June 1 that would fundamentally rearchitect how decentralized lending works, swapping out the collateralized debt positions that power most of DeFi today for an options-based system designed to absorb market shocks instead of amplifying them.

The core idea: instead of borrowers posting collateral that gets forcibly sold the moment prices dip below a threshold, users would hold options contracts tied to asset indices. In English: rather than a hair-trigger liquidation mechanism that punishes you for temporary volatility, the system would give positions room to breathe.

How the options model actually works

Buterin’s proposal replaces the traditional CDP mechanism with options contracts. Instead of maintaining a real-time collateral ratio monitored by oracles, users would gain exposure through options tied to broader asset indices. The architecture shifts the risk model from “sell now or the protocol breaks” to something closer to how traditional options markets handle downside exposure, with defined risk parameters built into the contract itself.