---
title: "Encrypted email provider Proton has built its own CAPTCHA service"
url: https://daily.dev/posts/encrypted-email-provider-proton-has-built-its-own-captcha-service-e4s45g5hy
source_url: https://techcrunch.com/2023/09/21/proton-captcha-censorship/
type: article
source: "TechCrunch"
published: 2023-09-21T15:14:40.826Z
updated: 2023-09-21T15:14:38.826Z
tags: ["security", "bots", "privacy", "proof-of-work"]
reading_time: 3
upvotes: 0
comments: 0
language: en
---

> ## Documentation Index
> Fetch the complete documentation index at: https://daily.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Encrypted email provider Proton has built its own CAPTCHA service

**[TechCrunch](https://daily.dev/sources/tc)** · 3 min read · 0 upvotes · 0 comments

## Summary

Proton, the Swiss company that develops privacy-focused online services such as email, has developed its own CAPTCHA service to help discern between genuine login attempts and bots. The company said it has already been testing its CAPTCHAs system for several months, and has now transitioned to its home-grown solution entirely.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://techcrunch.com/2023/09/21/proton-captcha-censorship/>

## Similar posts on daily.dev

- [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 0 upvotes · 0 comments
- [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments
- [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments

---

Tags: [#security](https://daily.dev/tags/security), [#bots](https://daily.dev/tags/bots), [#privacy](https://daily.dev/tags/privacy), [#proof-of-work](https://daily.dev/tags/proof-of-work)

[View this post on daily.dev](https://daily.dev/posts/encrypted-email-provider-proton-has-built-its-own-captcha-service-e4s45g5hy)
