Crypto's insurance sector has collapsed from $1.9B to under $100M in TVL despite $840M in exploit losses during the first five months of 2026, exposing DeFi's growing protection gap

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DeFiLlama’s insurance category has about $97.7M of TVL, and $82.7M of that is Nexus Mutual; Sherlock, InsurAce, Bridge Mutual and Risk Harbor are basically dust. That concentration matters because smart-contract cover is underwriting correlated tail risk: one oracle, bridge, multisig or governance failure can hit half the book at once, so capital providers pull back right when premiums should be fat. Until protocols escrow self-insurance funds or give cover buyers enforceable claim paths, users are just buying audits, bug bounties and post-hack governance theater.

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Crypto's insurance sector has collapsed from $1.9B to under $100M in TVL despite $840M in exploit losses during the first five months of 2026, exposing DeFi's growing protection gap

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Crypto's insurance sector has collapsed from $1.9B to under $100M in TVL despite $840M in exploit losses during the first five months of 2026, exposing DeFi's growing protection gap

More on Exploit

Aztec is investigating a second exploit in four days after attackers drained $2.2M from a deprecated payments product, deepening DeFi’s security crisis

Ionic Protocol shuts down after 2025 exploit, tells users to withdraw assets

OAK Research revisits LayerZero’s role in crypto after the $292M rsETH exploit, asking whether omnichain interoperability creates more systemic risk than value

Thetanuts loses $105K from legacy vault exploit before white-hat rescues $2M through same bug

Onchain leverage ratio returns to 2021 levels after April DeFi exploits drain $13B from TVL

Syscoin says bridge exploit released 5B SYS before attacker returned funds for burn

Aztec is investigating a second exploit in four days after attackers drained $2.2M from a deprecated payments product, deepening DeFi’s security crisis

Ionic Protocol shuts down after 2025 exploit, tells users to withdraw assets

OAK Research revisits LayerZero’s role in crypto after the $292M rsETH exploit, asking whether omnichain interoperability creates more systemic risk than value

Thetanuts loses $105K from legacy vault exploit before white-hat rescues $2M through same bug

Onchain leverage ratio returns to 2021 levels after April DeFi exploits drain $13B from TVL

Syscoin says bridge exploit released 5B SYS before attacker returned funds for burn

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