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Online Web3 Hackathons

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First MoversStatus: Ended

Road to Haulout : Walrus Buildathon

Nov 7, 2025 - Nov 9, 2025

Prize Pool

$800

iExecStatus: Ended

Hack4Privacy by iExec x 50Partners

Dec 8, 2025 - Feb 7, 2026

Prize Pool

$6.0K

IQ AIStatus: Ended

Agent Arena - University Hackathon

Nov 8, 2025 - Dec 9, 2025

Prize Pool

$7.0K

Reactive NetworkStatus: Ended

Reactive Bounties 2.0

Nov 16, 2025 - Jan 5, 2026

Prize Pool

REA6.0K

CedraStatus: Ended

Cedra Builders Forge

Nov 3, 2025 - Dec 29, 2025

Prize Pool

$1.5K

CronosStatus: Ended

Cronos x402 Paytech Hackathon

Nov 27, 2025 - Jan 23, 2026

Prize Pool

$42.0K

Camp NetworkStatus: Ended

Camp Network Africa Buildathon

Nov 10, 2025 - Dec 3, 2025

Prize Pool

Non-cash Prize

Verified NetworkStatus: Ended

Verified Wallet Bug Bounty

Dec 12, 2025 - Jan 14, 2026

Prize Pool

$5.0K

Kaspa CommunityStatus: Ended

Kaspathon : Build at Internet Speed

Dec 20, 2025 - Feb 16, 2026

Prize Pool

KAS10.0K

SKALEStatus: Ended

San Francisco Agentic Commerce x402 Hackathon

Jan 29, 2026 - Feb 16, 2026

Prize Pool

$50.0K

TenityStatus: Ended

StableHacks: Building Institutional Stablecoin Infrastructure on Solana.

Jan 26, 2026 - Mar 22, 2026

Prize Pool

$100.0K

Tellus CooperativeStatus: Ended

Ideatón Fin de Año – Powered by Stellar Chile

Dec 19, 2025 - Jan 6, 2026

Prize Pool

$1.0K

WEEX LABsStatus: Ended

WEEX AI Hackathon Preliminary Round Forked Entry

Jan 2, 2026 - Jan 18, 2026

Prize Pool

$1.9M

StacksStatus: Ended

Programming USDCx on Stacks

Jan 19, 2026 - Jan 25, 2026

Prize Pool

$3.0K

TZ APACStatus: Ended

Fortify Labs Web3 Startup Studio by TZ APAC | Application Round | Tezos

Jan 13, 2026 - Feb 15, 2026

Prize Pool

$175.0K

Casper NetworkStatus: Ended

Casper Hackathon 2026 - Final Round

Jan 15, 2026 - Jan 25, 2026

Prize Pool

$40.0K

CreatorbidStatus: Ended

Vibe Coding Hackathon - by CreatorBid

Feb 2, 2026 - Feb 9, 2026

Prize Pool

Non-cash Prize

Mulheres Que CodamStatus: Ended

Stellar IdeaThon Mulheres Que Codam

Jan 30, 2026 - Feb 1, 2026

Prize Pool

$400

StacksStatus: Ended

x402 Stacks Challenge

Feb 9, 2026 - Feb 16, 2026

Prize Pool

$3.0K

BUIDL CTCStatus: Ended

BUIDL CTC Hackathon - BUIDL For The Real World

Feb 1, 2026 - Mar 8, 2026

Prize Pool

$15.0K

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