--- title: Encrypted email provider Proton has built its own... description: Proton, the Swiss company that develops privacy-focused online services such as email, has developed its own CAPTCHA service to help discern between genuine... canonical: https://daily.dev/posts/encrypted-email-provider-proton-has-built-its-own-captcha-service-e4s45g5hy twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Encrypted email provider Proton has built its own CAPTCHA service | daily.dev og:description: Proton, the Swiss company that develops privacy-focused online services such as email, has developed its own CAPTCHA service to help discern between genuine... og:url: https://daily.dev/posts/encrypted-email-provider-proton-has-built-its-own-captcha-service-e4s45g5hy og:image: https://api.daily.dev/og/posts/E4s45g5hY.png og:image:alt: Encrypted email provider Proton has built its own CAPTCHA service og:image:width: 1200 og:image:height: 630 og:locale: 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: --- 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) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"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","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/encrypted-email-provider-proton-has-built-its-own-captcha-service-e4s45g5hy"},"datePublished":"2023-09-21T15:14:40.826Z","dateModified":"2023-09-21T15:14:38.826Z","description":"Proton, the Swiss company that develops privacy-focused online services such as email, has developed its own CAPTCHA service to help discern between genuine...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/18e7ee859ccb256e3a88f1c06593b779?_a=AQAEufR","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/18e7ee859ccb256e3a88f1c06593b779?_a=AQAEufR","isAccessibleForFree":true,"articleSection":"TechCrunch","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"TechCrunch","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/tc","url":"https://daily.dev/sources/tc"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/encrypted-email-provider-proton-has-built-its-own-captcha-service-e4s45g5hy","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"security,bots,privacy,proof-of-work","timeRequired":"PT3M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"TechCrunch","item":"https://daily.dev/sources/tc"},{"@type":"ListItem","position":3,"name":"Encrypted email provider Proton has built its own CAPTCHA service"}]} ```