Publication contributor

Articles by Daniel Sardá

This archive contains published site articles attributed to Daniel Sardá. The separate Thinkers section contains historical intellectual profiles, not publication contributors.

Fundamentals

Digital Pseudonymity: Identity, Privacy, and Limits

Digital pseudonymity lets people participate under a stable identity other than their civil name. It can protect privacy and support reputation, but it does not guarantee anonymity or remove responsibility.

Fundamentals

Parametric Insurance: What It Is and How It Works

Parametric insurance pays according to a measurable rule agreed in advance, rather than after each individual loss is assessed. That can speed up the response, but it also creates limits worth understanding.

Fundamentals

What Can Your Internet Provider See?

Your internet provider cannot see everything, but HTTPS does not make it blind. This guide separates content, destinations, and metadata, and explains what each privacy tool changes.

Fundamentals

Personal Data Portability: What It Is and Its Limits

Data portability can let people receive certain personal data in a reusable format and, in some cases, move it to another provider. Its scope depends on the law, technology, and the rights of others.

Fundamentals

Lorenz Curve: What It Shows and How to Read It

The Lorenz curve visualizes how income, wealth, or another total is distributed across a population. This guide explains how to read and construct it, and where its limits lie.

Fundamentals

Government Surveillance of Communications: Scope, Risks, and Limits

Surveillance of communications is not limited to listening to calls: it can also involve collecting, retaining, and analyzing data that reveal relationships, habits, and movements. Understanding its limits requires distinguishing purpose, scope, and oversight.