#Security
7 posts
- Trying Out Web Push Notifications
Minimal flow for enabling web push, caveats, and sample code.
- Blockchain Basics in Detail
A long-form primer covering blockchain concepts, P2P, cryptography, consensus, and developer resources.
- What Is Blockchain?
An approachable explanation of blockchain components and why tampering is impractical.
- TLS Basics
Why services drop TLS 1.0/1.1, how to test connections, and tips for enforcing newer versions.
- The Three Grades of HTTPS
Explaining DV, OV, and EV SSL certificates and when to use each.
- Three Common Ways to Prevent Double Submits
Notes on PRG, tokens, and UI tricks to stop duplicate form submissions.
- Why Directly Storing Uploads in the Database Is Risky
Notes on the risks and countermeasures when handling file uploads.