Invitation to Participate in $25,600 Smart Contract Audit Competition

**Code4rena is hiring a Business Development Lead** to drive their world-class audit competitions. The role requires someone who is: - Detail-obsessed - Client-focused - Ready to help scale competitive auditing This comes after Code4rena's recent acquisition by Zellic, which combined consultative and competitive auditing approaches. **Apply here:** [Business Development Lead position](https://zellic-inc.notion.site/Business-Development-Lead-Code4rena-26875f10812580338ca2e37385aa1c6f) *Interested in joining the competitive auditing space? Check out the full job posting.*

**Code4rena launches $73,000 audit competition for Sequence** The 15-day competitive audit is now live, targeting Sequence's modular crypto infrastructure that supports chains, DeFi, stablecoins, and gaming applications. **Key Details:** - Total prize pool: $73,000 - Duration: 15 days - **Highest rewards** go to the most critical and rare vulnerabilities discovered - Open to all security researchers and bug hunters **What is Sequence?** Sequence provides modular infrastructure for blockchain applications, serving as foundational technology for various crypto projects across multiple sectors. **How to Participate:** Security researchers can review the audit documentation and begin hunting for vulnerabilities immediately. [Start hunting for bugs](https://code4rena.com/audits/2025-10-sequence) *Ready to test your security skills and earn rewards?*

**Hybra Finance** has launched a competitive security audit on Code4rena, running for **10 days** with prizes for discovering vulnerabilities. **Key Details:** - Hybra Finance operates as a public liquidity layer on Hyperliquid - Competition rewards the **highest and rarest vulnerabilities** found - Security researchers can access audit documentation and participate **How to Participate:** - Review the audit documentation at [Code4rena](https://code4rena.com/audits/2025-10-hybra-finance) - Hunt for smart contract vulnerabilities - Submit findings for potential rewards This follows Code4rena's competitive audit model that gamifies security research to help projects identify bugs more effectively than traditional auditing methods.

**LayerZero's $103,000 audit competition is now live** on Code4rena, focusing on securing their Endpoint V2 implementation for Sui blockchain. **Key Details:** - 13-day competition duration - Highest prizes awarded for critical and rare vulnerabilities - Security researchers can participate immediately **Recent Context:** This follows two other major audit launches: - Monad's record-breaking $500,000 unconditional prize pool (27 days) - Succinct's $112,500 competition (30 days) [Start hunting for vulnerabilities](https://code4rena.com/audits/2025-09-layerzero-endpoint-v2-sui)

**BlackholeDex** has launched a significant bug bounty program offering **$100,000 in $BLACK tokens** to security researchers who discover valid vulnerabilities. The bounty program targets whitehats and security experts to: - Identify critical vulnerabilities in BlackholeDex's smart contracts - Strengthen the platform's security before wider deployment - Reward responsible disclosure with substantial compensation Key details include publicly disclosed known issues and a defined scope for the security contest. [View bounty details and start hunting](https://code4rena.com/bounties/blackhole)