Posts by Dr Jan van Niekerk
IT Equipment Buyback vs. Disposal: Recover Maximum Asset Value
Compare IT equipment buyback vs. disposal for South African corporates. Covers SARS depreciation, POPIA, e-waste compliance, and how to maximise asset value recovery.
Read MoreCorporate IT Asset Disposal in South Africa (2026)
The complete guide to corporate IT asset disposal in South Africa. POPIA compliance, data sanitisation, ITAD partner selection, and value recovery explained.
Read MoreHow to Get a Certificate of Data Destruction
Learn what a certificate of data destruction is, why POPIA and auditors require it, and how to obtain one from a credible South African ITAD vendor.
Read MoreCorporate Laptop Refresh Checklist
Build an auditable laptop decommissioning runbook for South African refresh cycles, covering chain of custody, NIST 800-88 sanitisation, POPIA evidence, and recycling.
Read MoreHidden Liability in IT Disposal
Learn how to decommission IT equipment in South Africa with defensible data sanitisation, POPIA-aligned evidence, and e-waste chain-of-custody controls.
Read MorePOPIA and Old Hard Drives
A practical CIO playbook for POPIA compliant IT disposal in South Africa, covering Section 14 and 19 duties, NIST 800-88 methods, and evidence packs.
Read MoreFan Curves and Chip Temps
Learn to read ASIC miner telemetry like a pro. Decode fan curves, PCB vs chip temps, and spot early failure patterns with a practical response flow.
Read MoreGlobal Hashrate Shifts in 2026
Learn how energy prices, regulation, and weather influence Bitcoin hashrate shifts in 2026, plus a weekly tracker workflow for miners and investors.
Read MoreXRP and Africa Cross-Border Payments
A practical, South Africa-focused look at where XRP could fit in African cross-border payments, what rails already exist, and how to spot hype vs proof.
Read MoreTest a Used GPU Safely
Learn how to test a used GPU safely in South Africa with inspection steps, clean drivers, VRAM checks, stress tests, logging, and buyer proof pack.
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