Interested in learning programmming with Google's GO/golang? Visit me on Udemy!

Certifications
CLA & CLE – C Cert. Associate Programmer & Entry-Level Programmer | LPIC-2 & 1 Linux Engineer & Admin | CBSA & CBBF - BTA Cert. Blockchain Solution Architect & Blockchain Business Foundations | Harvard's CS50x Introduction to Computer Science | Comptia Linux+

Digital history
Atari 2600, Commodore VC-20, Commodore C64, Dragon 32, Dragon 64, Apple II, Amiga, x286, x386, x486, Pentium, Pentium II-4, Apple Mac G3, G4, G5, MacMini, MacBook, RasPi, Workstations von i3-i7

Blockchain
Cryptonic, Bitcoin enthusiast & evangelist with inviews into Blockchain, Smart Contracts (Solidity), Distributed Ledger Technologies, Consensus Mechanisms, PoW, PoS, DPoS, Mining, Staking, Decentralization - not more than an enthusiastic amateur, but not less either.
Worked with: sgminer, cgminer, ethminer, claymore - varied more.
Reading whitepapers like others comic books.

Operating systems
Windows 3.11 - Windows 10
macOS - OSX
Linux Suse 3-6, Debian, Mint, Ubuntu 12.04 - latest

System administration
IT maintenance, Linux/U**X shell scripting, setup & installation: apache2, mySQL, PHP and all that stuff

Web frontend
HTML, CSS, PHP, JavaScript, WeChat, Wordpress, Avada, Wordpress Version 1.6 - today, varied others

Other stuff
Adobe CS (especially InDesign, Photoshop, Illustrator, Acrobat Pro, also AfterEffects, Premiere)