Competition
CodeChef Starters
CodeChef
View detailsThis opportunity isn't taking applications right now. The page stays up for reference. See what's open now in Coding Competitions for Singapore Students.
Competition
BlahajCTF
Run by BlahajCTF (student-run; sponsored by CSIT, venue sponsor NTU)
HybridSingapore (online qualifiers; training and finale in person)Optional five-day training, one-day online qualifier, one-day finale for the top 160FreeOpenLow effort
About this opportunity
A beginner-friendly capture-the-flag competition run by students in Singapore. Teams of up to four can join training (a limited in-person programme plus online streams), then compete in an online qualifier; the top 160 players go on to an in-person finale at NTU. In 2025 the prize pool was $6,000, finalists received a YubiKey and a Blahaj plush, and every participant got an NTU-accredited certificate of participation.
Who can apply
Open to all skill levels and aimed at beginners; the site sets no formal age or school rules. Past finalists were mostly secondary school and JC students. Teams of up to 4.
How to apply
Sign up on blahaj.sg when registration opens. In 2025, registration closed on 15 November, training ran 1 to 5 December, online qualifiers were on 6 December and the finale on 13 December at NTU. 2026 dates not yet announced.
What you get
Prize moneySkills training
Frequently asked
Who runs this?+
Run by BlahajCTF (student-run; sponsored by CSIT, venue sponsor NTU). More on their website.
Who can apply?+
Open to all skill levels and aimed at beginners; the site sets no formal age or school rules. Past finalists were mostly secondary school and JC students. Teams of up to 4.
Is it paid?+
No fees to apply. Selected participants may receive a stipend or prize from the organiser.
What will I walk away with?+
You can expect prize money and skills training.
How do I apply?+
Sign up on blahaj.sg when registration opens.
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View detailsLast verified 27 September 2026·Updated 27 September 2026·Source