Martin Kaptein

Martin Kaptein.


Martin Kaptein


Since I am not using Social Media actively the best way to contact me is via E-Mail.

For maximum privacy and security you can encrypt your messages with my public key. See my public key tutorial here for more information on how to do that.

The key fingerprint is:

F34A 4524 A3F5 5954 5692  39A6 AF84 A58F CB3A 7973

The only cryptocurrencies I use and encourage are Bitcoin and Monero. Read my blog post about how crypto currencies function and why they are great.

Monero XMR (QR Code):


Bitcoin BTC (QR Code):


Thank you!