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Tag: kids

Crypto and kids

On January 21, 2019January 22, 2019 By Florent RevelutIn Hacking, NewsLeave a comment

I was nerd-sniped (reference from xkcd) by a colleague who wanted to do a cryptographic game for his kids, for a birthday party. The idea was to have a device to allow the kids to encrypt / decrypt a message Principle It's using the Caesar cipher, which is a simple shift cipher. It's super unsafe …

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From a cheap crate to a treasure chest

On December 20, 2018 By Florent RevelutIn HackingLeave a comment

For my kids birthday, my wife wanted to organize a treasure hunt. The idea was to have a bunch of indices, that would eventually leading to getting 4 numbers, used to unlock a paddlock holding chains around a chest. While the idea seems sound, devils in the detail as we wanted the cost to be …

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Piggy bank for kids

On June 4, 2015October 10, 2018 By Florent RevelutIn Hacking4 Comments

My kids are old enough to have their first coins and they were begging for a piggybank to stash their valuables. I had the idea to build them an actual treasure chest, out of plywood. The final design is available on thingiverse, this post will focus  on how to design and build it. Design I used …

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Recent Posts

  • Cool Stuff Friday July 30, 2019
  • Cool stuff Friday July 19, 2019
  • Crypto and kids January 21, 2019
  • From a cheap crate to a treasure chest December 20, 2018
  • A nice plane story December 3, 2018
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