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Proton Profile picture
@ProtonPrivacy
May 11, 2020 • 4 tweets • 2 min read • Read on X
The "Halvening" is upon us. Starting tonight, Bitcoin cut its reward for completing a block in half, from 12.5 #BTC to 6.25. The last time this happened in 2016, it was a prelude to a leap in value. Continue reading to learn how to buy and secure Bitcoin. #BitcoinHalving2020
Bitcoin was created in 2009, but many people still do not understand the original cryptocurrency. We offer a practical explanation of what Bitcoin is, as well as where to buy it and how to store it:
protonmail.com/blog/how-to-bu…
There are countless examples of cryptocurrency exchanges being hacked and Bitcoin being stolen. We explain what you can do to take your Bitcoin security into your own hands. protonmail.com/blog/how-to-ke…
It is also possible to pay for ProtonMail with #Bitcoin. Details can be found in our guide here: protonmail.com/support/knowle… Proton accumulated BTC early, giving us financial strength over the years, and we continue to hodl BTC for diversification purposes.

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More from @ProtonPrivacy

Proton Profile picture
Oct 28
As 2025 winds down, we’re continuing to build tools that let you take control of your digital life without compromising privacy.

Our latest roadmap reflects your feedback and our mission: to empower you, not exploit you.

Here’s a peek at what’s coming next 👇

1/4
✉️ Mail & Calendar

Smarter inboxes will use Category View to automatically sort emails while staying private.

🌐 VPN

We will add free servers in 5 additional countries (Mexico, Canada, Switzerland, Norway, and Singapore) - better speeds, more coverage.

2/4
📁 Drive

Shared Drives are coming, allowing you to collaborate securely with teams or family in one encrypted space.

🔒 Pass

Folders and subfolders in Proton Pass will help you keep your files and credentials organized.

3/4
Read 4 tweets
Proton Profile picture
Oct 23
Europe outsourced its digital backbone for decades.

Today, that choice has become a strategic liability.

New Nordic snapshots show how deep that dependency runs in 🇩🇰Denmark, 🇫🇮Finland, 🇮🇸Iceland, 🇳🇴Norway, and Sweden🇸🇪.

Let's talk about it! ⬇️ Image
Baseline: 74% of Europe’s publicly listed companies depend on US tech for email/security (the gateway to cloud, docs, identity, and security).

Nordics Stats

🇩🇰DK: 89% → 9 sectors at 100%; consumer staples distribution & retail 0%

🇫🇮 FI: 92% → 16 sectors at 100%; household & personal products 50%

🇮🇸IS: 97% → 16 sectors at 100%; household & personal products 50%

🇳🇴NO: 96% → 17 sectors at 100%; media & entertainment 75%

🇸🇪SE: 91% → 9 sectors at 100%; banks 27%

Read the full study: proton.me/business/europ…Image
When your company relies on US tech companies, you're not just outsourcing tech.

You're exposing your organization to strategic risks that are out of your control:

→ AI models trained on your company’s data
→ CLOUD Act–enabled surveillance
→ No say over data location
→ Critical sectors exposed to geopolitics
Read 5 tweets
Proton Profile picture
Oct 17
How much do you know about the most advanced censorship system in the world?

Framed as protection against "Western influence", China's Great Firewall controls the political + economic narrative for China's 700M+ users (a quarter of all internet users).

1/8
But it doesn't stop there...

A massive leak of 100,000+ documents has revealed that a Chinese company, Geedge Networks, is exporting GFW-style tech to authoritarian regimes worldwide.

Recipients include Kazakhstan, Ethiopia, Pakistan, Myanmar, & others.

2/8
Leaked job ads from them seek English speakers to work in Pakistan, Malaysia, Bahrain, Algeria, and India, all of which have track records of censorship.

One co-founder of Geedge Networks is Fang Binxing - known as the “Father of the Great Firewall.”

3/8
Read 8 tweets
Proton Profile picture
Sep 2
Imagine this: you open an email from your inbox and start reading.

In the background, text is fed to your AI extension, making it delete every email from your inbox.

This isn’t a dream; with AI agents and prompt injection attacks, it’s currently a possibility.

1/5 Image
Anthropic recently announced Claude for Chrome, a browser-based AI agent that can take actions on behalf of users.

The extension is currently only available as a preview to 1,000 subscribers on Anthropic's Max plan.

The limited release is due to security concerns.

2/5
The company has tested 123 cases representing 29 different scenarios.

They found a 23.6% success rate when browsers had no safety mitigations in place - mitigations managed to reduce this to 11.2%.

Make no mistake, there are real risks associated with using these tools.

3/5
Read 5 tweets
Proton Profile picture
Sep 1
Your face is yours, but Big Tech doesn’t want it to stay that way.

It’s time for a deep dive into facial recognition. ⏳

Governments, advertisers, and tech companies are finding new ways to capture, analyze, and profit from the most personal part of who you are.

1/7
Facial recognition technology is biometric software that identifies/verifies a person by analyzing their facial features.

Your scanned face is compared with a database, which contains images from government databases, social media, or the open web.

2/7
When matched, a range of personal data can be pulled up, often without your knowledge or consent.

Tech like this isn’t confined to police stations or secure areas; it is being used in airports, apps, and devices.

Privacy in public spaces is becoming harder and harder.

3/7
Read 7 tweets
Proton Profile picture
Aug 29
Switzerland prides itself on independence, yet 68% of listed firms run on US email (the gateway to the whole tech stack). 🇨🇭

Independence is hard if your infrastructure is controlled abroad.

Let’s talk about it 👇

1/5 Image
Why it matters

🚩 Foreign laws reach Swiss data (CLOUD Act)
🚩 Geopolitical leverage over critical sectors
🚩 Less control over data storage and processing
🚩 Swiss data can be used to train AI
🚩 Limits Swiss innovation

For a nation built on independence and neutrality, this is a massive vulnerability.

2/5
Which Swiss sectors rely most on US tech?

Out of the 68% Swiss businesses that rely on US email services, several sensitive sectors are even more dependent:

🧰 Utilities 80%
🏥 Health care 77%
💊 Pharma & biotech 77%
💻 Software and IT services 75%
⚡️ Energy 67%

Full report →

3/5proton.me/business/europ…
Read 5 tweets

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