TRUST404 — WEB3 SECURITY HACKATHON SEOUL --:--:-- KST N 37.4979° / E 127.0276°
2026 — SEOUL · KOREA BLOCKCHAIN WEEK

SEP 20 submissions close SEP 29 Demo Day · DreamPlus Gangnam Prize pool ₩4,000,000 Entry free, teams of 1–5
WEB3 SECURITY HACKATHON 2026

TRUST
404

A hackathon for building and validating security before execution. Trust Not Found. Build It.

BY THE NUMBERS — 2026
₩5MTOTAL PRIZE POOL
5TRACKS4 DESIGNATED + OPEN
4TEAMSTOP FINALISTS
16PARTNERSUNIVERSITY & COMMUNITY
01

Five tracks

INDEX / 05
01

Smart Contract Threat Detection

PRE-SIGNING ANALYSIS — Detect malicious behaviour before signing
↗
02

DID & Verifiable Credentials

SELECTIVE DISCLOSURE — Prove only what needs to be known
↗
03

Verifiable Off-chain Decisions

DECISION PROVENANCE — Make rejected actions independently verifiable
↗
04

Autonomous Exploit Prover

PROOF, NOT SUSPICION — Prove exploitability, not just suspicion
↗
05

Open Security Track

BRING YOUR OWN PROBLEM — Build the security primitive Web3 is missing
↗
[ NOTICE ]Applications and submissions close on the same day — Sep 20, 2026 at 11:59 PM KST. Nothing is accepted after that.
02

Schedule

TIMELINE / 05
9.7 — 9.20

Applications & build period

Official build period. No fixed start.

NOW
9.20 SUN 23:59

Submissions close

The one fixed deadline. Applications close with it.

DEADLINE
9.21 — 9.25

Judging

Reviewing submissions and running the code.

JUDGING
9.29 TUE 17:30 KST

Demo Day & Top 4 announced & awards

DreamPlus Gangnam. The four finalist teams are named and winners awarded. Every team invited.

FINAL
[ MORE ]Full schedule and Demo Day agenda · How to submit
03

₩4,000,000 in prizes

PRIZES / 04
Best overallGRAND PRIZE
₩2M
Technical executionTECHNICAL EXCELLENCE AWARD
₩1M
Ecosystem contributionECOSYSTEM INNOVATION AWARD
₩500K
Security impactSECURITY IMPACT AWARD
₩500K
[ NOTICE ]The Top 4 Finalists selected by technical judging are announced on Demo Day itself, and winners are decided on site the same day. Every team is invited. Judges and how winners are chosen
04

Partners

PARTNERS

Hosts

ANAM145 Web3 보안 기술 기업. TRUST404의 기술 트랙 설계와 보안 심사를 주도합니다.
Blockchain Valley 국내 블록체인 학회·동아리 네트워크. 행사 운영과 참가자 모집을 담당합니다.

Technology & Ecosystem Partners

University & Community Network

국내 대학 블록체인 학회와 개발자 커뮤니티가 함께 Web3 보안 인재의 참여와 교류를 확대합니다.

  • Decipher
  • BAY
  • PDAO
  • Blue Node
  • De-Butler
  • Gairos
  • SKKRYPTO
  • Ewha-Chain
  • HYBLOCK
  • ORAKLE
  • Block Block
  • CURG
  • Layer A
  • Aidenteti Crew
  • BACG

TRUST404와 함께 Web3 보안 생태계를 만들어갈 파트너를 환영합니다. Technology, Ecosystem, Community, Venue 등 다양한 형태의 협업이 가능합니다.
Partnership inquiries · dev@anam145.com

05

FAQ

FAQ / 04

가능합니다. 1–5인 팀까지 참가할 수 있으며, 개인 참가도 환영합니다. 아이디어가 확정되지 않아도 신청할 수 있습니다.

없습니다. 무료로 참가할 수 있고, 데모데이에도 모든 참가팀이 초대됩니다.

아니요, 같은 날 마감입니다. 9월 20일 (일) 23:59 이후에는 신청도 제출도 받지 않습니다.

9월 29일 데모데이는 드림플러스 강남(서울 서초구 강남대로 311)에서 열리며, Korea Blockchain Week 2026 기간에 맞춰 개최됩니다.

[ MORE ]
FINAL CALL

TRUST NOT FOUND.
BUILD IT.

Apply now ↗ Closes Sep 20, 11:59 PM KST · an unsettled idea is fine