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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Ideatón Fin de Año – Powered by Stellar Chile
Tellus Cooperative
otherrustjavascript
Prize Pool$1.0K
Days LeftEnded
LocationOnline
Date RangeDec 19, 2025 - Jan 6, 2026
Submission DeadlineDec 31, 2023
WEEX AI Hackathon Preliminary Round Forked Entry
WEEX LABs
otherhybriddefi
Prize Pool$1.9M
Days LeftEnded
LocationOnline
Date RangeJan 2, 2026 - Jan 18, 2026
End DateJan 18, 2026
Programming USDCx on Stacks
Stacks
bitcoinotherbridge development
Prize Pool$3.0K
Days LeftEnded
LocationOnline
Date RangeJan 19, 2026 - Jan 25, 2026
Submission DeadlineJan 25, 2026
Fortify Labs Web3 Startup Studio by TZ APAC | Application Round | Tezos
TZ APAC
otherethereumtezos
Prize Pool$175.0K
Days LeftEnded
LocationOnline
Date RangeJan 13, 2026 - Feb 15, 2026
End DateFeb 15, 2026
Casper Hackathon 2026 - Final Round
Casper Network
otherrustjavascript
Prize Pool$40.0K
Days LeftEnded
LocationOnline
Date RangeJan 15, 2026 - Jan 25, 2026
Submission DeadlineJan 25, 2026
Vibe Coding Hackathon - by CreatorBid
Creatorbid
otherbaseliquidity mining
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeFeb 2, 2026 - Feb 9, 2026
End DateFeb 9, 2026
Stellar IdeaThon Mulheres Que Codam
Mulheres Que Codam
other
Prize Pool$400
Days LeftEnded
LocationOnline
Date RangeJan 30, 2026 - Feb 1, 2026
Submission DeadlineJan 31, 2026
x402 Stacks Challenge
Stacks
otherpayments
Prize Pool$3.0K
Days LeftEnded
LocationOnline
Date RangeFeb 9, 2026 - Feb 16, 2026
Submission DeadlineFeb 16, 2026
BUIDL CTC Hackathon - BUIDL For The Real World
BUIDL CTC
otherdefirwa & tokenization
Prize Pool$15.0K
Days LeftEnded
Locationnull, null
Date RangeFeb 1, 2026 - Mar 8, 2026
Submission DeadlineMar 8, 2026
Cortensor Hackathon #4
Cortensor
otherethereumarbitrum
Prize PoolCOR3.0K
Days LeftEnded
LocationOnline
Date RangeJan 19, 2026 - Feb 28, 2026
End DateFeb 28, 2026
Liquify Indexer API Hackathon: $100,000 Total Prize Pool
Liquify
otherethereumarbitrum
Prize Pool$15.0K
Days Left47 days
LocationOnline
Date RangeJan 21, 2026 - Jun 14, 2026
End DateJun 14, 2026
Build on Stellar Chile Ideatón: Ideas Reales, Impacto Real
Tellus Cooperative
otherdefipublic goods & impact
Prize Pool$1.0K
Days LeftEnded
LocationOnline
Date RangeFeb 10, 2026 - Mar 1, 2026
Submission DeadlineFeb 28, 2026
OneHack 3.0 | AI & GameFi Edition
OneChain
othermovegamefi
Prize Pool$16.1K
Days LeftEnded
LocationOnline
Date RangeFeb 8, 2026 - Mar 9, 2026
Submission DeadlineMar 9, 2024
Stellar Hacks: ZK Gaming
Stellar Development Foundation
otherrustzero-knowledge proofs
Prize PoolXLM10.0K
Days LeftEnded
LocationOnline
Date RangeFeb 9, 2026 - Feb 23, 2026
Submission DeadlineFeb 23, 2026
48 Weeks. 48 Blockchains.
CODEQUITY
otherethereumsolana
Prize Pool$10.0K
Days Left231 days
LocationOnline
Date RangeFeb 1, 2026 - Dec 31, 2026
Submission DeadlineDec 15, 2026
The Self-Driving Yield Engine Composable Yield Infrastructure for the Next Generation of DeFi
Riquid
otherbnb chainsolidity
Prize Pool$75.0K
Days LeftEnded
LocationOnline
Date RangeJan 31, 2026 - Feb 28, 2026
End DateFeb 28, 2026
Midl VibeHack: Build & Share $3,000 in Rewards / Sponsored by Xverse
Midl
bitcoinotherethereum
Prize Pool$3.0K
Days LeftEnded
LocationOnline
Date RangeFeb 9, 2026 - Feb 24, 2026
Submission DeadlineFeb 23, 2026
Seedstr Blind Hackathon
Seedstr
otherai agents
Prize Pool$10.0K
Days LeftEnded
LocationOnline
Date RangeFeb 19, 2026 - Mar 9, 2026
End DateMar 9, 2026
Build on PinionOS
PinionOS
otherbaseai agents
Prize Pool$2.8K
Days LeftEnded
LocationOnline
Date RangeFeb 22, 2026 - Mar 1, 2026
Submission DeadlineMar 1, 2026
Polkadot Solidity Hackathon 2026
OpenGuild
otherpolkadotsolidity
Prize Pool$30.0K
Days LeftEnded
LocationOnline
Date RangeFeb 15, 2026 - Mar 20, 2026
Submission DeadlineMar 20, 2026