security & audit Hackathons
Discover security & audit hackathons in Web3 and blockchain.
View all with full filters →Financial Cybersecurity Challenge 2026
Oct 3, 2026 - Oct 4, 2026
Prize Pool
Non-cash Prize
Cyber_Coders
Jun 13, 2026 - Jun 22, 2026
Prize Pool
$18
Hack2Dawn
May 8, 2026 - May 9, 2026
Prize Pool
Non-cash Prize
Clash of Prompts: Worlds 1st Real-Time Prompt Battle Royale
May 6, 2026 - May 7, 2026
Prize Pool
Non-cash Prize
Hackspire Hackathon
Apr 27, 2026 - Apr 30, 2026
Prize Pool
Non-cash Prize
FIND EVIL!
Apr 15, 2026 - Jun 15, 2026
Prize Pool
$22.0K
Status: EndedHack.IT@BVP3.0
Apr 17, 2026 - Apr 18, 2026
Prize Pool
Non-cash Prize
Cloudathon@SJSU 2026
Apr 24, 2026 - Apr 25, 2026
Prize Pool
Non-cash Prize
cybersage
Mar 17, 2026 - Mar 26, 2026
Prize Pool
Non-cash Prize
Chakravyuh - The Escape Protocol
Mar 13, 2026 - Mar 25, 2026
Prize Pool
Non-cash Prize
SS Hacker Team Cybersecurity GLOBAL Challenge 2026
May 10, 2026 - May 25, 2026
Prize Pool
Non-cash Prize
Red Alert | Cybersecurity Hackathon 2026
Mar 7, 2026 - Mar 14, 2026
Prize Pool
Non-cash Prize
SS Hacker Team Cybersecurity Challenge 2026
May 10, 2026 - May 25, 2026
Prize Pool
Non-cash Prize
Status: EndedHACKSECURE'26
Mar 10, 2026 - Mar 11, 2026
Prize Pool
₹100.0K
Status: EndedECLIPSE
Mar 13, 2026 - Mar 14, 2026
Prize Pool
Non-cash Prize
Status: EndedAegis SandBox v2.0
Mar 7, 2026 - Mar 8, 2026
Prize Pool
Non-cash Prize
Shared Security Hackathon
Jul 6, 2024 - Jul 8, 2024
Prize Pool
$20.0K
Status: EndedVenn Network: Wallet Security Hackathon
Mar 18, 2025 - Apr 9, 2025
Prize Pool
$6.0K
Status: EndedSonic Summit Jailbreak Hackathon
May 6, 2025 - May 8, 2025
Prize Pool
$15.0K
Status: EndedHalloween ChaincKathon 2025
Oct 25, 2025 - Oct 27, 2025
Prize Pool
$150