VPNs encrypt your traffic, but they aren't blind to your activity. Here's the metadata your provider can see—and how to spot services that misuse it.
On January 7, 2026, OpenAI announced ChatGPT Health, a new feature that allows users to review medical test results, prepare for doctor appointments, and seek guidance on diet and fitness—while ...
Abstract: In this paper, we propose the modified cycle-concentrating progressive-edge-growth (CC-PEG) algorithm for lifting protograph-based quasi-cyclic low-density parity-check (QC-LDPC) codes over ...
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