TRUST404 2026

Get ready to build Web3 at TRUST404 2026, a hands-on hackathon on September 29, 2026, at Dream Plus Gangnam, Seoul, during Korea Blockchain Week 2026. With the theme “Trust Not Found. Build It.”, the event invites developers, security researchers, and Web3 builders to create practical solutions that verify security before risks become real. The Demo Day and Awards Ceremony will showcase the top four finalist teams, with a total prize pool of 4 million won.

Organized By

Web3 Security Summit is a top organizer of blockchain security events that unites professionals in Web3, blockchain, and cryptocurrency through discussions, seminars, hackathons, and networking.

Event Highlights

• Build for real-world security
• 4 million won prize pool
• Top 4 finalists
• Korea Blockchain Week connection

Why Attend TRUST404 2026?

• Turn ideas into working products through a focused build and verification process.
• Explore emerging Web3 security challenges spanning smart contracts, identity, off-chain decisions, and automated exploit analysis.
• Connect with builders and communities through participating university and community partners.
• Showcase technical creativity at Demo Day in front of fellow participants and the wider Web3 ecosystem.

Tracks

• Smart Contract Threat Detection 
• Decentralized Identity – DID & VC
• Off-Chain Decision Verification 
• Exploit Automated Proof Agent
• Open Security Track 

TRUST404 2026 provides a useful stage to transform ambitious concepts into functional Web3 security solutions, whether developing a security tool, experimenting with verifiable infrastructure, or investigating the next layer of decentralized protection.