Update: Added clarification that only the Let’s Encrypt client software is changing its name and host. The Let’s Encrypt certificate authority and associated services are not changing names or relocating. Over the next few months the Let’s Encrypt client software will transition to a new name, soon to be announced, and a new home at the Electronic Frontier Foundation (EFF). This change does not affect the Let’s Encrypt certificate authority (CA) or associated services, which will retain the Let’s Encrypt name and continue to be hosted by the Internet Security Research Group.
What It Costs to Run Let's Encrypt
Today we’d like to explain what it costs to run Let’s Encrypt. We’re doing this because we strive to be a transparent organization, we want people to have some context for their contributions to the project, and because it’s interesting. Let’s Encrypt will require about $2.9M USD to operate in 2017. We believe this is an incredible value for a secure and reliable service that is capable of issuing certificates globally, to every server on the Web free of charge.
CryptPad: end-to-end encrypted collaboration suite
CryptPad: end-to-end encrypted collaboration suite
CryptPad: end-to-end encrypted collaboration suite
CryptPad: end-to-end encrypted collaboration suite
Petnames: A humane approach to secure, decentralized naming
Names must be human-readable in order to be widely used. Unfortunately, while DIDs and Tor .onion addresses are decentralized and globally unique, they are not human readable. How can we build user interfaces that real users might actually use? In this paper we provide an overview of petname systems, a way of mapping human readable names to cryptographically secure names, and describe changes to two user interface designs that we believe that are compatible with intuitive user expectations. We first discuss the smartphone contact list as already approximating petnames to some degree and discuss how to augment it with secure introduction. We then walk through several changes to browsers (which may be provided natively or as an extension) which add the functionality of a petname system. By utilizing petname systems we are able to collectively support individual naming definitions, community curated directories of names, as well as existing naming authorities such as certificate authorities and the domain name system, government agencies such as trademark offices, and decentralized systems such as Namecoin.
Petnames: A humane approach to secure, decentralized naming
Names must be human-readable in order to be widely used. Unfortunately, while DIDs and Tor .onion addresses are decentralized and globally unique, they are not human readable. How can we build user interfaces that real users might actually use? In this paper we provide an overview of petname systems, a way of mapping human readable names to cryptographically secure names, and describe changes to two user interface designs that we believe that are compatible with intuitive user expectations. We first discuss the smartphone contact list as already approximating petnames to some degree and discuss how to augment it with secure introduction. We then walk through several changes to browsers (which may be provided natively or as an extension) which add the functionality of a petname system. By utilizing petname systems we are able to collectively support individual naming definitions, community curated directories of names, as well as existing naming authorities such as certificate authorities and the domain name system, government agencies such as trademark offices, and decentralized systems such as Namecoin.
vitalik.eth on Twitter / X
2026 is the year we take back lost ground in computing self-sovereignty.But this applies far beyond the blockchain world.In 2025, I made two major changes to the software I use:* Switched almost fully to https://t.co/caFP0K5fYF (open source encrypted decentralized docs)*…— vitalik.eth (@VitalikButerin) January 22, 2026
Let’s Encrypt 2016 In Review
Our first full year as a live CA was an exciting one. I’m incredibly proud of what our team and community accomplished during 2016. I’d like to share some thoughts about how we’ve changed, what we’ve accomplished, and what we’ve learned. At the start of 2016, Let’s Encrypt certificates had been available to the public for less than a month and we were supporting approximately 240,000 active (unexpired) certificates. That seemed like a lot at the time! Now we’re frequently issuing that many new certificates in a single day while supporting more than 20,000,000 active certificates in total. We’ve issued more than a million certificates in a single day a few times recently. We’re currently serving an average of 6,700 OCSP responses per second. We’ve done a lot of optimization work, we’ve had to add some hardware, and there have been some long nights for our staff, but we’ve been able to keep up and we’re ready for another year of strong growth.
Linux Foundation Announces Intent to Launch Agent Name Service to Establish Trusted Identity Infrastructure for AI Agents
Linux Foundation Announces Intent to Launch Agent Name Service to Establish Trusted Identity Infrastructure for AI Agents
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wt.social has moved to trustcafe.io
The Decentralized Internet Is Here, With Some Glitches
Privacy advocates and venture capitalists want to circumvent the tech giants with apps using encrypted data stored on networks of computers.
A Spectrum of Consent
Blockchain & Decentralized Identity Architect — Internet Cryptography Pioneer — Co-author TLS Security Standard — Collaborative Tools & Patterns
Proud to finally share what I've been working on. I'm excited for a future where privacy is normal. encryptedspaces.org
Signal Alums Reveal ‘Encrypted Spaces,’ a System for Making Private Collaboration Apps
www.wired.comNEWS 📣 The Sovereign Tech Agency is launching the Sovereign Tech Standards network today, a new program designed to bring open source maintainers directly into global standards development. sovereign.tech/news/join-sovereign-tech-stan…
