The first Corda “Capture The Flag” event : the good, the bad and the ugly

It was a close fought race with it being neck and neck between the Accordians and CordaMcCordaface for some time, but CordaMcCordaface pulled ahead to win and claim their prizes!

A big thank you to everyone who came, I hope you all enjoyed it as much as I did. A very heartfelt thanks goes out to Aimee Stokes and the team at RBS for providing so much help, support and guidance throughout the evening – thank you guys. Another special thanks goes out to Joel Dudley of R3 for writing half the questions and the whole DevRel Team for coming along to help on the night.

This was the first “Corda Capture The Flag” challenge ever run. And boy was it difficult!

Basically I had these 2 problems:

  1. Generating interest was difficult. The target audience was so narrow, it was hard to find people who could take part, nevermind finding people who did want to take part. The target audience needed to fit these criteria
    1. Be developers
    2. Be aware enough of blockchain to have heard of Corda
    3. Be aware enough of Corda to have learnt some of the Corda Open Source platform
    4. Have enough confidence with Corda that they felt they wanted to be tested on their knowledge in a social setting
    5. Know that this “Capture The Flag” challenge was effectively a pub quiz with a world map with a set of countries each with pre-populated questions to answer
    6. Be available on the night
    7. Want to do this
    8. Actually see the marketing / have enough “visibility” online for me to know to approach them
  2. For some reason I was given the task of coming up with at least half the questions. There are 120 countries on the CTF format, and as a non-developer coming up with 60 “good” questions about a DLT platform I didn’t know very well was tough. It took me 2 days of solid work to write my 60 questions! That said, I did learn a huge amount about the platform, so the exercise was well worth it.

So it took me about 5 weeks to get 27 people to be there on the night.

All that said however, I must say on the night it was an absolute hoot!

Personal highlights for me were:

  • Seeing all that hard work come together and people really enjoying taking part in the CTF event
  • Getting to award the prizes! (and good to see CordaMcCordaface were so gracious in victory with no gloating whatsoever)
  • A surprize appearance from Mike Hearn! Selfie duly taken
  • Getting to announce the next stage

Other teams were the Accordians, Loons of Babylon and the Cordashians.


The future of Unofficial London Corda meetup will be the creation of a Corda Base Camp. A place to nuture CorDapp talent and home of developing Distributed Applications on the Corda platform. It’ll be a hub, or a club, a kind of “Corda Scouts” where members can go every Monday to work on their CorDapp projects alongside likeminded developers.



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