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Blockchain & Web3 Hackathons

Explore 75 blockchain & Web3 hackathons. Hackathons exploring blockchain technology, smart contracts, DeFi, DAOs, and decentralized applications.

Hackathons

70

Avg Prize

$52K

Organizers

46

Sunday, November 15, 2026

Ongoing

dreamDEX Perps Builder Bounty

Online
Oct 19 – Nov 15, 2026Somnia NetworkOnline$3K
Blockchain
Fintech
Ongoing

Solana Hackathon 2026

Online
Oct 11 – Nov 16, 2026Encode ClubOnline
Blockchain
Ongoing

Singularity

Hybrid
Oct 31 – Nov 17, 2026Keshav Mahavidyalaya (KMV), University of Delhi (DU), DelhiPitampura, India
Blockchain
Fintech
IoT
Ongoing

Build with MUSD and MEZO : Bitcoin's Economic Layer

Online
Nov 2 – Nov 19, 2026Mezo NetworkOnline$7K
Blockchain
Fintech
Ongoing

CodeOdyssey '26

Online
Oct 19 – Nov 19, 2026JECRC University (JECRCU), Vidhani, Jaipur, RajasthanOnline$108
Blockchain
Fintech
Web Development
Ongoing

World is Flat Hackathon

Online
Nov 7 – Nov 20, 2026World is FlatOnline$10
Blockchain
Ongoing

University Blockchain Conference Hackathon 2026

In Person
Nov 13 – Nov 20, 2026college.xyzAustin, United States$22K
Blockchain
GeminiSolana FoundationElevenLabsCircleQuickNode
Ongoing

Dakar Bitcoin Hack by BTrust

Online
Oct 26 – Nov 20, 2026Dakar Bitcoin DaysOnline$901K
Blockchain
Fintech
Open Source
BTrust
Ongoing

Hack in Hills ’26

In Person
Sep 9 – Nov 21, 2026Galgotias University (GU), Greater NoidaManali, India
Blockchain
Artificial Intelligence
Ongoing

BCH BLAZE 2026

Online
Oct 10 – Nov 22, 2026BCH BlazeOnline$8K
Blockchain
Fintech
Ongoing

HackIn Drive 2026

Hybrid
Oct 30 – Nov 24, 2026Upcoming EngineerHybrid$50K
Artificial Intelligence
Blockchain
IoT
Ongoing

Exora 2.0 : Unveil The Build

Hybrid
Nov 7 – Nov 28, 2026ABES Engineering CollegeGurugram, India
Blockchain
Fintech
Health
Ongoing

SuperteamTR x Dev3pack: University Hackathon — Bursa Chapter

In Person
Nov 7 – Nov 29, 2026Superteam Türkiye & Dev3packBursa, Turkey
Blockchain
Ongoing

Build Your One-Person On-Chain Finance Business with SoSoValue

Online
Jun 28 – Nov 30, 2026SoSoValueOnline$4K
Blockchain
Fintech
Ongoing

Reactive Omni Buildathon

Online
Nov 6 – Dec 6, 2026Reactive NetworkOnline$6K
Blockchain
Ongoing

Aevum Builder Challenge #1

Online
Nov 4 – Dec 11, 2026QDayOnline$2K
Blockchain
Fintech
Ongoing

Agent Arena Competition: Evidence Mining

Online
Nov 13 – Dec 11, 2026GensynOnline$7K
Artificial Intelligence
Blockchain
Ongoing

Concordium Trusted Agents Hackathon

Online
Nov 2 – Dec 11, 2026Encode ClubOnline
Artificial Intelligence
Blockchain
Ongoing

Build Privacy-First Apps on Midnight

Online
Nov 3 – Dec 15, 2026MidnightOnline$5K
Blockchain
Ongoing

Defy'27

In Person
Nov 11 – Dec 15, 2026Vellore Institute of Technology (VIT), ChennaiChennai, India$1K
Blockchain
Ongoing

Crypto's Got Talent Season 2

Online
Sep 4, 2025 – Dec 31, 2026IoTeXOnline$100
Artificial Intelligence
Blockchain
Data Science
Dev Pro plan

49 more upcoming hackathons start more than a week out. The full calendar is on Dev Pro.

Past hackathons

Recently ended — many run again.

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