Ethereum’s Proof of Stake demystified

If you have been on the hype-train of blockchains and following the news, you must already have heard that Ethereum network is planning to switch from its Proof of Work (PoW), to a Proof of Stake (PoS) consensus algorithm. This change has been debated for a while, and it is considered to be a major change in the way the Ethereum network works.

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Electronic Frontier Foundation: Surveillance Self-Defense

I just felt I had to share this one.

The Electronic Frontier Foundation has been doing a great job for years. EFF once again provides internet users with a wonderful guide on how to protect themselves in the digital world.

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Victory for Net Neutrality in Europe

“Today, the Body of European Regulators for Electronic Communications (BEREC) published its guidelines on net neutrality.

This is a victory for civil society, whose relentless involvement secured the principles of a free and open internet in Europe. By demanding strong net neutrality in record numbers, Europeans managed to overcome massive lobbying by the telecom industry and narrowly avert a catastrophe for the internet.”



Cloudflare CAPTCHA: a timing attack threat on TOR users

Internet is NOT a safe place… Even the most innocent – looking of its elements can threat users’ privacy and anonymity…

When this is done by an integral piece of tech like CAPTCHA’s from a major service provider like Cloudflare, then it is definitely interesting news…

“Cloudflare’s insistence on solving reCAPTCHA puzzles when visitors are coming from Tor exit nodes to one of the 2 million web sites that Cloudflare ‘protects’ can be very instrumental for traffic analysis and de-anonymizing of Tor users.”