Infrastructure Hackathons
Blockchain infrastructure, developer tooling, and protocol development
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Cortensor Hackathon #3
Cortensor
otherethereumarbitrum
Prize Pool$3.0K
Days LeftEnded
LocationOnline
Date RangeNov 22, 2025 - Dec 28, 2025
Submission DeadlineJan 4, 2026
Latina Blockchain Startup Program 2025
Women Biz
other
Prize Pool$2.0K
Days LeftEnded
LocationOnline
Date RangeOct 7, 2025 - Oct 10, 2025
Submission DeadlineOct 10, 2025
OneHack 2.0 | Gamefi Edition
OneChain
othergamefi
Prize Pool$14.0K
Days LeftEnded
LocationOnline
Date RangeOct 7, 2025 - Nov 27, 2025
End DateNov 27, 2025
Scaffold Stellar Hackathon
Stellar Development Foundation
otherrusttypescript
Prize Pool$10.0K
Days LeftEnded
LocationOnline
Date RangeOct 27, 2025 - Nov 10, 2025
End DateNov 10, 2025
Stellar Hack+ | Buenos Aires 2025
Blockchain Acceleration Foundation
otherrustzero-knowledge proofs
Prize Pool$15.0K
Days LeftEnded
LocationNicaragua 5094, C1414BVP Esq. Oro, Cdad. Autónoma de Buenos Aires, Nicaragua 5094, C1414BVP Esq. Oro, Cdad. Autónoma de Buenos Aires
Date RangeNov 19, 2025 - Nov 23, 2025
Submission DeadlineNov 23, 2025
The Open Hack
The Open Network
othertonremote
Prize Pool$5.0K
Days LeftEnded
LocationOnline
Date RangeOct 28, 2025 - Nov 23, 2025
Submission DeadlineNov 23, 2025
Somnia Data Streams Mini Hackathon
Somnia Network
otherethereumsolidity
Prize Pool$3.0K
Days LeftEnded
LocationOnline
Date RangeNov 4, 2025 - Nov 29, 2025
Submission DeadlineNov 15, 2025
Casper Hackathon 2026 - Qualification Round
Casper Network
otherrustjavascript
Prize Pool$25.0K
Days LeftEnded
LocationOnline
Date RangeNov 14, 2025 - Jan 11, 2026
Submission DeadlineJan 25, 2026
Hackathon Stellar México 2025: Código Raíz
Blockchain Acceleration Foundation
other
Prize Pool$3.0K
Days LeftEnded
LocationUniversidad Tecnológica Emiliano Zapata (UTEZ), Avenida Universidad Tecnológica 1 Palo Escrito, 62765 Emiliano Zapata, Mor.
Date RangeOct 28, 2025 - Oct 30, 2025
End DateOct 30, 2025
DeSci Tools Buildathon
Unbound Science
otherethereummonad
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeNov 17, 2025 - Nov 22, 2025
Submission DeadlineNov 22, 2024
Road to Haulout : Walrus Buildathon
First Movers
otherethereummove
Prize Pool$800
Days LeftEnded
LocationOnline
Date RangeNov 7, 2025 - Nov 9, 2025
End DateNov 9, 2025
UK AI Agent Hackathon EP3 by Artificial Superintelligence Alliance (ASI) | The Largest Web3 × AI Hackathon in Europe
Imperial Blockchain
otherbasebnb chain
Prize Pool$1.0M
Days LeftEnded
LocationImperial College Business School, Imperial Business School
Date RangeNov 29, 2025 - Dec 7, 2025
End DateDec 7, 2025
AI Wars : WEEX Alpha Awakens
WEEX LABs
otherai agents
Prize Pool$880.0K
Days LeftEnded
LocationWEEX Studio, Dubai, United Arab Emirates (exact address TBC for privacy)
Date RangeNov 21, 2025 - Dec 31, 2025
Submission DeadlineDec 30, 2025
Cedra Builders Forge
Cedra
othermoveremote
Prize Pool$1.5K
Days LeftEnded
LocationOnline
Date RangeNov 3, 2025 - Dec 29, 2025
End DateDec 29, 2025
Sui <> The Bridge Hackathon Marbella 2025
Blockchain Student Association
othersuimove
Prize Pool$3.0K
Days LeftEnded
LocationMarbella, Marbella
Date RangeNov 21, 2025 - Nov 23, 2025
Submission DeadlineNov 23, 2025
Cronos x402 Paytech Hackathon
Cronos
otherethereumcosmos
Prize Pool$42.0K
Days LeftEnded
LocationOnline
Date RangeNov 27, 2025 - Jan 23, 2026
Submission DeadlineJan 23, 2026
Camp Network Africa Buildathon
Camp Network
otherai agents
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeNov 10, 2025 - Dec 3, 2025
End DateDec 3, 2025
Kaspathon : Build at Internet Speed
Kaspa Community
otherpaymentsgaming
Prize PoolKAS10.0K
Days LeftEnded
LocationOnline
Date RangeDec 20, 2025 - Feb 16, 2026
Submission DeadlineFeb 15, 2026
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