A December 2017 update on NiceHash's planned return after the breach, the uncertainty over unpaid balances, and the limits of public transaction speculation.
A historical look at transaction diagrams discussed after the NiceHash hack, with corrections to the original explanation of Bitcoin tracing and ownership.
A look back at Facebook's 2017 discussion of image matching, with an explanation of digital fingerprints and the limits of current prevention services.
A walking workout can last longer than the Exercise minutes it earns. Understand the difference and review calibration before trying an old workaround.
Understand Fail2ban jails, configure retry thresholds, and connect WordPress login logging to server-side protection in this historical Ubuntu walkthrough.
An updated account of a 2017 WhatsApp voucher scam explains how fake retailer offers encouraged forwarding and why the initial virus warning was revised.