Spearbit is a developer of a web3 security platform designed to protect financial and blockchain infrastructure. It operates as a decentralized network connecting independent security experts to Web3 projects for comprehensive security reviews and services. Spearbit offers typical security reviews performed by experts and recurring security reviews through retainer agreements, aiming to free clients from administrative work, client sourcing, and due diligence. The company also provides end-to-end security services for Web2/Web3 stacks, including smart contract audits, protocol design reviews, threat modeling, vCISO advisory, and penetration testing.