Hi there ttsan, few of my entries in your contest.. #130, #131 with different layouts having gradients in the binary code & finger print...#132, #133 with different layouts having just white color in binary code & finger print.. #134 with white background.. #135 inverted on black background & #136 as graphical representation of the logo...I designed that logo just according to your requirements..A professional & unique logo will be good for printing, web etc..Fonts are very professional & popular too...Kindly let me know if you need any changes in color or else.I hope you'll like that design.