Caiyai has a new address

Our new official website is https://www.caiyai.com. Please bookmark it in your browser. You can continue using this site during the transition.

Visit www.caiyai.com
Featured

Hackathons

Every event, every theme, every corner of the world.

2,644 results
KAALCHAKRA CTF Qualifiers
Ended
₹6M
Online·Online
TH3_RANG3RSTH3_RANG3RS

KAALCHAKRA CTF Qualifiers

Upcoming public CTF event from CTFtime. Format: Jeopardy.

AI & MLWeb3 & CryptoOpen Source
Mar 28, 202681
KalmarCTF 2026
Ended
$1,500
Online·Online
kalmarunionenkalmarunionen

KalmarCTF 2026

Upcoming public CTF event from CTFtime. Format: Jeopardy.

AR / VR
Mar 27, 2026151
Codegate CTF 2026 Preliminary
Ended
$1
Online·Online
CODEGATECODEGATE

Codegate CTF 2026 Preliminary

Upcoming public CTF event from CTFtime. Format: Jeopardy.

AI & MLAR / VR
Mar 27, 2026116
Stranger's CTF - Techtrix '26
Ended
$1
Global, Global·In person
UpsideCTFUpsideCTF

Stranger's CTF - Techtrix '26

Upcoming public CTF event from CTFtime. Format: Jeopardy.

AI & MLWeb3 & CryptoOpen Source
Mar 25, 202688
NovruzCTF 2026
Ended
$506
Online·Online
QarabagTeamQarabagTeam

NovruzCTF 2026

Upcoming public CTF event from CTFtime. Format: Jeopardy.

AI & MLEducationAR / VR
Mar 27, 202644
GLOBAL CYBER GAMES: Women's Attack and Defense Edition @Wicked6
Ended
$6
Online·Online
Play CyberPlay Cyber

GLOBAL CYBER GAMES: Women's Attack and Defense Edition @Wicked6

Upcoming public CTF event from CTFtime. Format: Attack-Defense.

AI & MLGamingAR / VR
Mar 29, 202613
Flag Wars
Ended
$6
Global, Godesberger Allee 125, Bonn - Germany·In person
Laokoon SecurITyLaokoon SecurITy

Flag Wars

Upcoming public CTF event from CTFtime. Format: Jeopardy.

AI & MLAR / VR
Mar 28, 202611
MythX: An Endgame Protocol CTF
Ended
$1,000
Online·Online
MythXMythX

MythX: An Endgame Protocol CTF

Upcoming public CTF event from CTFtime. Format: Jeopardy.

AI & MLWeb3 & CryptoGaming
Mar 28, 20264
TexSAW 2026
Ended
TBA
Online·Online
CSGCSG

TexSAW 2026

Upcoming public CTF event from CTFtime. Format: Jeopardy.

AI & MLEducationAR / VR
Mar 27, 2026162
VolgaCTF 2026 Qualifier
Ended
TBA
Online·Online
VolgaCTF.orgVolgaCTF.org

VolgaCTF 2026 Qualifier

Upcoming public CTF event from CTFtime. Format: Jeopardy.

AR / VR
Mar 28, 202697
HackDay 2026 - Finals
Ended
TBA
Online·Online
HackDayCTFHackDayCTF

HackDay 2026 - Finals

Upcoming public CTF event from CTFtime. Format: Jeopardy.

Web3 & CryptoRobotics & IoTEducation
Mar 27, 202622
CU school CTF 2026
Ended
TBA
Online·Online
CUTCUT

CU school CTF 2026

Upcoming public CTF event from CTFtime. Format: Jeopardy.

AR / VR
Mar 28, 202613

Loading…