David Wong

cryptologie.net

cryptography, security, and random thoughts

Hey! I'm David, cofounder of zkSecurity, research advisor at Archetype, and author of the Real-World Cryptography book. I was previously a cryptography architect of Mina at O(1) Labs, the security lead for Libra/Diem at Facebook, and a security engineer at the Cryptography Services of NCC Group. Welcome to my blog about cryptography, security, and other related topics.

← back to all posts

I've open sourced my tournament app

blog

Since I’ve made my first tournament app in ~2005-2006 I received many request to make an open source version available. Back then I didn’t really want to release something badly coded so I just kept it for myself and allowed people to go through my online app to create tournaments.

wiitop

It caught up, it was translated in 8 different languages (sometimes badly translated though) and used all across Europe in real life and on IRC (I think there was something like 7000 different organizations that got created through the app). One day some dude skyped me and offered me 80€ for the sourcecode. I made 80€.

wiitop

I then rewrote everything using new technologies I had learn or I wanted to learn. CodeIgniter, Zurb Foundation, jQuery, Sass… It was kind of a mess and I must have scared away all the users it had. Eventually I didn’t renew the domain name and people started complaining and asking me to hand them the app.

wiitop

I was sad that there was so many people asking for a tournament app, and that mine was not out there anymore. So yesterday when someone asked me if he could have the code I uploaded everything on Github. The code is old, and it’s a mess. The sass is nowhere to be found. I even wonder if it’s really secure. But it works, it’s easy to setup, and if it gains traction I might want to get back into it. If there was one project I fell in love with, it was this one.

wiitop

suggested reads:
bordeaux1 url blog
Tamarin Prover blog
← back to all posts blog • 2014-12-25
currently reading:
I've open sourced my tournament app
12-25 blog
📖 my book
Real-World Cryptography is available from Manning Publications.
A practical guide to applied cryptography for developers and security professionals.
🎙️ my podcast
Two And A Half Coins on Spotify.
Discussing cryptocurrencies, databases, banking, and distributed systems.
📺 my youtube
Cryptography videos on YouTube.
Video explanations of cryptographic concepts and security topics.