Web3 Hackathons and Competitions
Upcoming blockchain hackathons and developer competitions. Compete for prizes, build with cutting-edge protocols, and connect with the Web3 community.
ibc
XION ABSTRACTATHON
XION
Online Jan 17, 2024 - Feb 15, 2024
other
cosmos
account abstraction
other
cosmos
account abstraction
$20.0K
$20.0KEnded
AwesomWasm
Confio
W3.Hub, Möckernstraße 120 • 10963 Berlin May 28, 2024 - May 30, 2024
other
cosmos
rust
other
cosmos
rust
$55.0K
$55.0KEnded
HackSecret 3
Secret Network
Online May 20, 2024 - Jul 4, 2024
other
ethereum
polygon
other
ethereum
polygon
$8.0K
$8.0KEnded
Cross-Chain Summer Hackathon | Chainflip
Chainflip
Online Jun 22, 2024 - Aug 1, 2024
bitcoin
other
solidity
bitcoin
other
solidity
$80.0K
$80.0KEnded
Ideahacker's Guide to IBC
Interchain Foundation
Online Sep 22, 2024 - Oct 27, 2024
other
solana
cosmos
other
solana
cosmos
$30.0K
$30.0KEnded
Cosmos Hyderabad Hackathon Challenge
Cosmos Hyderabad
Online Oct 3, 2024 - Oct 6, 2024
other
cosmos
go (golang)
other
cosmos
go (golang)
Non-cash Prize
Non-cash Prize214 days left
Hackathon for ATOM Hacker House Barcelona 2024 🪐
Web3Family
Akasha Hub Barcelona, Carrer de la Verneda, 19, Nave 1, Sant Martí, 08018 Barcelona, Spain Dec 6, 2024 - Dec 8, 2024
other
cosmos
ibc
other
cosmos
ibc
$20.0K
$20.0KEnded
Naija HackAtom
Cosmos Hub Africa
Online Dec 31, 2024 - Mar 19, 2025
other
cosmos
rust
other
cosmos
rust
$10.0K
$10.0KEnded
HackSecret 5
Secret Network
Online Feb 1, 2025 - Mar 1, 2025
other
ethereum
solana
other
ethereum
solana
$15.0K
$15.0KEnded
Cosmos Builders Program - Brazil
Cosmos Hub Brasil
Online May 7, 2025 - Jun 1, 2025
other
cosmos
cosmos sdk
other
cosmos
cosmos sdk
R$8.0K
R$8.0KEnded
ZetaChain Vibeathon
ZetaChain
Online Sep 23, 2025 - Sep 30, 2025
other
cross-chain
bridge development
other
cross-chain
bridge development
$300
$300Ended