Online Web3 Hackathons
Participate from anywhere in the world. Browse online Web3 and blockchain hackathons, compete for prizes, and build innovative projects.
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Injective AI Agent Hackathon
Injective
otherinjectiveai agents
Prize Pool$100.0K
Days LeftEnded
LocationOnline
Date RangeFeb 4, 2025 - Mar 18, 2025
HackSecret 5
Secret Network
otherethereumsolana
Prize Pool$15.0K
Days LeftEnded
LocationOnline
Date RangeFeb 1, 2025 - Mar 1, 2025
Token Risk Scoring on Base
Pond
otherethereumbase
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeJan 20, 2025 - Mar 29, 2025
Ancient8 OP Grant Program
Ancient8
othergaming
Prize PoolOP400.0K
Days LeftEnded
LocationOnline
Date RangeJan 15, 2025 - Mar 8, 2025
(Virtual) Flare x Google Verifiable AI Hackathon
Flare
othergcpremote
Prize Pool$40.0K
Days LeftEnded
LocationOnline
Date RangeFeb 3, 2025 - Mar 14, 2025
Core Global Gaming Hackathon
Core DAO
bitcoinothergamefi
Prize Pool$380.0K
Days LeftEnded
LocationOnline
Date RangeFeb 5, 2025 - Mar 17, 2025
Eolas x Algo: Agent Skills Hackathon
Eolas
otherbasebnb chain
Prize Pool$20.0K
Days Left12 days
LocationOnline
Date RangeMar 2, 2025 - Mar 17, 2025
Hack The League 4: Build Beyond (COMING SOON)
Hack The League
otherethereumpolygon
Prize Pool$2.0K
Days LeftEnded
LocationOnline
Date RangeJul 31, 2025 - Oct 30, 2025
SynapHack 2.0
SynapHack
other
Prize Pool$500
Days LeftEnded
LocationOnline
Date RangeFeb 5, 2025 - Mar 14, 2025
Arbitrum Creative Hub Hackathon
Creatives Onchain
otherarbitrum
Prize Pool$3.0K
Days LeftEnded
LocationOnline
Date RangeJan 28, 2025 - Mar 10, 2025
AI MegaWave Hackathon
MultiversX
otherai agentsai and blockchain
Prize Pool$150.0K
Days Left5 days
LocationOnline
Date RangeFeb 12, 2025 - Mar 10, 2025
LegalHack 2025 - Powered by Constellation, ICP, Story, & The Blockchain Legal Institute
Blockchain Legal Institute
bitcoinotheraml/kyc
Prize Pool$32.0K
Days LeftEnded
LocationOnline
Date RangeJun 16, 2025 - Nov 6, 2025
Vyper/Polygon AI Agent Workshop
Vyper
otherpolygonvyper
Prize Pool$1.0K
Days LeftEnded
LocationOnline
Date RangeFeb 10, 2025 - Mar 9, 2025
CrossFi Hack Africa
Cross Finance Africa
otherethereumsolidity
Prize Pool$3.0K
Days LeftEnded
LocationOnline
Date RangeFeb 7, 2025 - Feb 25, 2025
Venn Network: Wallet Security Hackathon
Venn
otherethereumsmart contract auditing
Prize Pool$6.0K
Days LeftEnded
LocationOnline
Date RangeMar 18, 2025 - Apr 9, 2025
Verifiable AI, save the world with cheqd
cheqd
otherai agentsai and blockchain
Prize Pool$50.0K
Days LeftEnded
LocationOnline
Date RangeFeb 19, 2025 - May 16, 2025
BUIDL BATTLE | The Bitcoin Builders Tournament
Stacks
bitcoinothernft development
Prize Pool$90.0K
Days Left12 days
LocationOnline
Date RangeMar 3, 2025 - Mar 17, 2025
NERD Network: ETHDenver
DeSciWorld
otherethereumbase
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeFeb 23, 2025 - Mar 2, 2025
AI-Agents Hackathon
AIxBlock
othersolanaai agents
Prize Pool$3.0K
Days LeftEnded
LocationOnline
Date RangeFeb 18, 2025 - Mar 1, 2025
Hack The Grid — Level 2
LUKSO
othersolidityremote
Prize PoolLYX42.0K
Days LeftEnded
LocationOnline
Date RangeFeb 25, 2025 - Mar 13, 2025