Nethermind Security

4.5/5 Founded 2017 Team: 20-50 $$

About

Nethermind Security is the audit and formal verification arm of Nethermind, the engineering company best known for its Ethereum execution client and its deep involvement in the Starknet ecosystem. The team audits smart contracts and ZK systems with particular strength in Cairo and Starknet, and it maintains internal formal methods and real-time monitoring capabilities alongside classic manual review. Its parent company's role as a core Starknet developer gives it unusual depth in the STARK stack.

Specialties

cairo starknet formal verification smart contracts zk circuits

Supported Chains

cairo starknet evm generic

Notable Audits

Turnaround

3-8 weeks

Team Size

20-50

Public Reports

No

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Last validated
Jul 2026