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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Core Global Gaming Hackathon
Core DAO
bitcoinothergamefi
Prize Pool$380.0K
Days LeftEnded
LocationOnline
Date RangeFeb 5, 2025 - Mar 17, 2025
Submission DeadlineMar 17, 2025
Eolas x Algo: Agent Skills Hackathon
Eolas
otherbasebnb chain
Prize Pool$20.0K
Days LeftEnded
LocationOnline
Date RangeMar 2, 2025 - Mar 17, 2025
Submission DeadlineMar 17, 2026
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
End DateOct 30, 2025
SynapHack 2.0
SynapHack
other
Prize Pool$500
Days LeftEnded
LocationOnline
Date RangeFeb 5, 2025 - Mar 14, 2025
Submission DeadlineMar 15, 2025
Arbitrum Creative Hub Hackathon
Creatives Onchain
otherarbitrum
Prize Pool$3.0K
Days LeftEnded
LocationOnline
Date RangeJan 28, 2025 - Mar 10, 2025
End DateMar 10, 2025
AI MegaWave Hackathon
MultiversX
otherai agentsai and blockchain
Prize Pool$150.0K
Days LeftEnded
LocationOnline
Date RangeFeb 12, 2025 - Mar 10, 2025
Submission DeadlineMar 10, 2026
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
End DateNov 6, 2025
Vyper/Polygon AI Agent Workshop
Vyper
otherpolygonvyper
Prize Pool$1.0K
Days LeftEnded
LocationOnline
Date RangeFeb 10, 2025 - Mar 9, 2025
Submission DeadlineFeb 28, 2025
CrossFi Hack Africa
Cross Finance Africa
otherethereumsolidity
Prize Pool$3.0K
Days LeftEnded
LocationOnline
Date RangeFeb 7, 2025 - Feb 25, 2025
End DateFeb 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
End DateApr 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
End DateMay 16, 2025
BUIDL BATTLE | The Bitcoin Builders Tournament
Stacks
bitcoinothernft development
Prize Pool$90.0K
Days LeftEnded
LocationOnline
Date RangeMar 3, 2025 - Mar 17, 2025
Submission DeadlineMar 17, 2026
NERD Network: ETHDenver
DeSciWorld
otherethereumbase
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeFeb 23, 2025 - Mar 2, 2025
End DateMar 2, 2025
AI-Agents Hackathon
AIxBlock
othersolanaai agents
Prize Pool$3.0K
Days LeftEnded
LocationOnline
Date RangeFeb 18, 2025 - Mar 1, 2025
Submission DeadlineMar 1, 2025
Hack The Grid — Level 2
LUKSO
othersolidityremote
Prize PoolLYX42.0K
Days LeftEnded
LocationOnline
Date RangeFeb 25, 2025 - Mar 13, 2025
End DateMar 13, 2025
Build & Brew - Espresso Global Hackathon
Espresso
otherethereumarbitrum
Prize Pool$100.0K
Days LeftEnded
LocationOnline
Date RangeFeb 20, 2025 - Apr 2, 2025
Submission DeadlineMar 31, 2026
Cambrian Hack
Cambrian
othersolanarust
Prize Pool$10.0K
Days LeftEnded
LocationOnline
Date RangeFeb 20, 2025 - Mar 23, 2025
End DateMar 23, 2025
Seeds Of Agentic Future
Seedify
otherremoteai agents
Prize Pool$100.0K
Days LeftEnded
LocationOnline
Date RangeFeb 21, 2025 - Mar 10, 2025
Submission DeadlineMar 10, 2025
Agent Singularity: Talks & Hackathon
Sparsity
otherai agentsai and blockchain
Prize Pool$1.0K
Days LeftEnded
LocationOnline
Date RangeMar 1, 2025 - Mar 2, 2025
End DateMar 2, 2025
Oxford Blockchain Society Cardano Hybrid Hackathon - February 2025
Oxford Blockchain Society
othercardanoremote
Prize Pool$4.0K
Days LeftEnded
LocationOnline
Date RangeFeb 22, 2025 - Feb 22, 2025
Submission DeadlineFeb 22, 2025