Christopher Allen

@christophera.bsky.social

Blockchain & Decentralized Identity Architect — Internet Cryptography Pioneer — Co-author IETF TLS 1.0 & W3C DID 1.0 Security Standards — Collaborative Tools & Patterns

Do you use the term "self-sovereign"—for identity, for keys, for your wallet? If you do, it was ten years ago today I chose this term, using it to describe an inalienable right to control your own digital life. We've learned much in the last decade, so I'm offering an update.🧵…

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I'm always seeking out the right words for what digital systems do to people. "Privacy" means something different in every room, and has become so overloaded it has become meaningless. "Censorship resistance" sounds like it's only about speech or money. Neither names the mechanism. 🧵…

Next year it’ll be 10 years since @christophera.bsky.social wrote The Path to Self-Sovereign Identity along with a definition and 10 principles of SSI. A group is now being convened to refine these principles. Hope to see some atproto folks get involved here, including @bnewbold.net & co.

Announcing the 10-Year SSI Revision Project

In 2016, I published The Path to Self-Sovereign Identity and with it proposed ten foundational principles for digital identity systems. These principles...

lifewithalacrity.com

What would it mean to build infrastructure that can’t fail you? Not one that never has problems, but where someone else can't make it unavailable to you? Where fundamental capabilities exist as rights, not revokable privileges? For this, we need “Exodus Protocols” 🧵… [1/19]

The Q3 2025 Quarterly Report from Blockchain Commons is here! Advancing Bitcoin FROST signing, strengthening provenance, launching Gordian Clubs, and a preview of Hubert ‘secret drops’—each a step toward interoperable, self-sovereign autonomous systems and resilient digital trust. 👇 [1/13] 🧵

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“If a system cannot hear you say no, it was never built for us. It was built for them.” I'll be presenting this principle to the Swiss e-ID team at a meeting open to the public on Thursday, October 2nd, 16:00 CEST (7am PDT). (meeting details below) 🧵… 1/12

After 32 years, a feature inspired by Project Xanadu's vision becomes reality. Join me for the first demo of Gordian Clubs - autonomous cryptographic objects that make coordination unstoppable. No servers. No surveillance. Just math. 🧵… 1/5

I just saw “The Majestic” on the big screen last night. When it came out it was 2001 and just felt like a nostalgic feel-good movie. But in 2025 its portrayal of resistance to government “red scare” tactics had the audience gasping with connection to Kimmel. More relevant today!

FROST is a powerful next-gen multisig protocol for Bitcoin — more efficient, more resilient. Join us next Wednesday 10am PDT for a live demo + dev discussion on using FROST with BDK and Taproot via our new CLI playground. 🧵… [1/8]

Bill Atkinson, one of the most quietly revolutionary minds in computing, has passed away. His creations — QuickDraw, MacPaint, and especially HyperCard — transformed not just the Mac, but how I thought about computing. A thread 🧵… 1/9

My thoughts on Bluesky verification as someone who was deeply involved in an analogous scheme (selecting trusted root CAs for browsers) at Mozilla many years ago. The analogy is not exact: not trusting a verifier just means no checkmark, while not trusting a root CA means nasty security warnings 1/

Today marks 20 years since Git’s birth, and our digital world runs on its foundations—but trust was never part of its design. Can you trust a Git repo? That’s why I created the Open Integrity Project: to bring integrity and provenance to code. 🧵…[1/14] www.blockchaincommons.com/musings/open...

Musings of a Trust Architect: Architecting Trust in Software Releases

When can you trust a software release? How do you know that a software repo is safe, that it represents the intent of its creators? On the 20th anniversary of Git, these questions are more important t...

blockchaincommons.com

Really cool approach! I wouldn’t be surprised if Anthropic implemented something similar to this as a premium Claude Code feature for teams. I especially like the idea of capturing context of thought process and decision points… if only we could get people to do that too 😅

I've been experimenting with Claude Code CLI - @anthropic.com's new command-line interface that lets you work with Claude AI on coding tasks directly from your terminal. It's quite powerful, but benefits from structured guidance. Here is a repo with what I've learned so far. 🧵… 1/12