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 - lastest

System administration:
IT maintenance, Linux/unix shell scripting, setup & installation: apache2, mySQL, php, node.js

Web frontside:
HTML, css, php, javascript, WeChat, Wordpress, Avada

Experienced with QuarkXpress, Freehand, Sketchup, Adobe CS (especially InDesign, Photoshop, Illustrator, Acrobat Pro, also AfterEffects, Premiere)
phpnuke bis Version 8
Wordpress Version 1.6 - today
varied others

www.jens-schendel.com