Charilaos Kalogirou

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Integrating Blockchain secured data with node.js and EbakusNG

Charilaos Kalogirou Posted on November 25, 2020November 25, 2020

EbakusNG* is a next generation blockchain software that, among other things, can be used as a secure drop-in replacement for traditional databases. Suppose you need a secure datastore for your application’s medical records. These are patient’s sensitive data, that need to be verifiably correct and secured across multiple clinics in a hospital and possibly securely […]

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I made a virtual machine interpreter for embedded devices

Charilaos Kalogirou Posted on June 18, 2020June 18, 2020

Meet picoVM. A fully featured, minimal footprint, VM for embedded devices. Written in pure C for maximum efficiency and portability. Essentially just a single header file and one source file that you can include in your project. The machine supports 8,16 and 32bit integer operations along with floating point numbers. You get this at a 1000 […]

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My first contribution to the iNav flight controller software

Charilaos Kalogirou Posted on May 18, 2020May 22, 2020

The new version of iNav flight controller software is coming out soon (currently in RC1) and it will contain some changes I did in order to improve the way iNav commands turns to fixed wing aircrafts. I even made a video showcasing the effect of the code. Have a look:

blockchain

Ouroboros, Casper and other computer science masturbation. It may feel good, but you don’t actually get anything DONE.

Charilaos Kalogirou Posted on April 16, 2018April 16, 2018

[Might want to read this on Medium for better readability: https://medium.com/@harkal/ouroboros-casper-and-other-computer-science-masturbation-d281f7a219f] If you are old enough in the field of software engineering you probably recognise something familiar in the title. It references the words of the creator of Linux in regard to micro-kernel architectures, networked distributed computers and message passing as a core OS functionality. To […]

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FlyCraft is out for iOS and Android

Charilaos Kalogirou Posted on March 30, 2017May 22, 2020

Hello guys, after many-many years the game I created for the October Challenge 2012 finally gets released on iOS and Android. For those that don’t remember, the game was released only for BlackBerry devices back then: [FlyCraft release post] You might also want to look into the post-mortem of the game here in Ludum Dare. […]

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FlyCraft coming to iOS and Android this Thursday

Charilaos Kalogirou Posted on March 27, 2017March 27, 2017

I know I have promised that a long time ago, but now it’s real. After some work on weekends and a lot of back and forth with Apple, I have the game ready to be released this Thursday March 30th. If you would like to support the game please consider joining me on DayCause here: […]

Game Development

FlyCraft Herbie: Crazy Machines just got released!

Charilaos Kalogirou Posted on July 22, 2014February 8, 2017

I would like to inform you that today is July 22, 2014. Yes, it’s finally Crazy Machines time!I know a lot of you were waiting eagerly for this moment. I know it from your personal e-mails, the twitter replies, the facebook comments and all the fuzz that you created. The excitement is the same for me too. […]

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Trying out this new service epocu.com

Charilaos Kalogirou Posted on July 18, 2014February 8, 2017

After a redditor’s suggestion I found out about this new service called epocu.com, that helps with marketing your game through a new interesting idea. It is something like kickstarter but swapout money with social reach. So what you basically do is create a project page and then set a goal number of supporters and a target […]

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New Herbie adventure coming on July 22

Charilaos Kalogirou Posted on July 17, 2014

This was one crazy week for me. After so much hard work on the game, and finally submitting to three app stores on June 28, Apple managed to delay the release by almost one month. The game got rejected by Apple a few times, due to IAPs not working (as they said). As you understand […]

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Smart App Shopper shutting down on July 17

Charilaos Kalogirou Posted on July 9, 2014

Those of you following around my BlackBerry apps will probably know of my Smart App Shopper app. It was launched about a year ago, in the hope to provide a price watching service similar to those available for iOS. Unfortunately, can’t say that the project was a success. With only 30,000 users and 1,000 active […]