Nexus Mutual Review 2026: DeFi Insurance That Actually Pays Claims
Nexus Mutual is the largest DeFi insurance protocol, covering smart contract hacks, protocol failures, and custody failures. This guide covers how coverage works, pricing, and claims history.
Nexus Mutual has paid millions in claims for real hacks (Yearn Finance 2021, Euler Finance 2023) — demonstrating that DeFi insurance can actually work. In 2026, Nexus covers 100+ protocols with $500M+ in total coverage capacity.
How Nexus Mutual Coverage Works
- Purchase cover for a specific protocol and amount (e.g., $10,000 of Aave cover)
- Premium: typically 1.5–4% per year depending on protocol risk score
- Cover period: 30, 90, or 365 days
- Claims: community vote of NXM stakers determines whether claim is valid
What Is Covered
- Smart contract exploits: code bugs, flash loan attacks, reentrancy attacks
- Economic attacks: oracle manipulation, price manipulation causing protocol loss
- Governance attacks: malicious governance proposals that cause fund loss
- Custody cover: for cold wallet and custody providers (separate product)
NXM Token: Membership and Staking
Nexus Mutual is a member-owned mutual — you must hold NXM to purchase coverage. NXM stakers back coverage by staking on specific protocols; they earn a share of premiums for accepting the claim risk. Stakers have skin in the game: a major hack on a protocol they staked on results in NXM burn.