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How does insurance availability affect sustainable leverage?
The widespread availability of reliable slashing insurance would directly increase the sustainable leverage ceiling for restaking. Insurance acts as a hedge, turning an unpredictable, catastrophic loss (a slash) into a predictable, manageable cost (an insurance premium). This reduces the variance and tail risk of the restaking returns. With insurance, a leveraged restaker can factor the premium cost into their model, knowing their maximum loss is capped. This makes higher leverage ratios more sustainable from an individual risk-management perspective. However, it introduces systemic reliance on the insurer's solvency. If a correlated slash event occurs, the insurance fund must be capable of paying out all claims without collapsing, or the supposed safety net vanishes.