Explore Events

Discover CTFs, bug bounties, hackathons, and coding competitions.

Showing 17 of 17 events

Hackathon

Hack the 6ix 2026

by Hack the 6ix

Jul 17 - Jul 19, 2026

Deadline passed

Toronto, Ontario, Canada

ETHGlobal Lisbon 2026

by ETHGlobal

$125K

Jul 24 - Jul 26, 2026

Deadline passed

Pavilhao Carlos Lopes, Lisbon, Portugal

Intermediate

In-Person

Coding Contest

ARC White-Box Estimation Challenge 2026

by Alignment Research Center

$150K

Jun 18 - Jul 31, 2026

DEF CON 34

by DEF CON

Aug 6 - Aug 9, 2026

Deadline passed

Las Vegas Convention Center, Las Vegas, NV, USA

Open

In-Person

Conference

Black Hat USA 2026

by Black Hat

Aug 1 - Aug 6, 2026

Deadline passed

Mandalay Bay, Las Vegas, NV, USA

Intermediate

In-Person

Hackathon

MLH Global Hack Week: Agents

by Major League Hacking

Outreachy — December 2026 Internship Cohort

by Outreachy

Build with Gemini — XPRIZE

by XPRIZE

$2.0M

May 19 - Aug 17, 2026

LFX Mentorship 2026 — Term 3 (Fall)

by The Linux Foundation

Trace the Ace — National Tutoring Observatory

by DrivenData

KubeCon + CloudNativeCon North America 2026

by Cloud Native Computing Foundation

Nov 9 - Nov 12, 2026

Deadline in 11 days

Salt Lake City, UT, USA

ARC Prize 2026 — ARC-AGI-2

by ARC Prize Foundation

Hacktoberfest 2026

by DigitalOcean

Ethereum Foundation Ecosystem Support Program (ESP)

by Ethereum Foundation

Jan 1 - Dec 31, 2099

Deadline in over 73 years

Advanced

Online

Grant

Solana Foundation Grants

by Solana Foundation

Jan 1 - Dec 31, 2099

Deadline in over 73 years

Open

Online

Bug Bounty

Usual Labs Bug Bounty

by Sherlock

$16.0M

Apr 8 - Dec 31, 2099

Deadline in over 73 years

Advanced

Online

Bug Bounty

Optimism Bug Bounty Program

by Immunefi

$2.0M

Jan 14 - Dec 31, 2099

Deadline in over 73 years

Advanced

Online