ArcBlock is for
The chain is running.
An agent has an API key. It does not have a self.
This page is software we run.
You do not install a runtime to open something that already runs.
You are already on ARC.
The site is still answering.
The runtime did not take the day off.
The log is still appending.
Start with a judgment, then the essay.
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Featured reading
Essays and research on how software is created, run, and kept in use.
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Products
Products for building, running, and using your own applications.
DID Wallet
Manage a DID and related credentials through task-specific guides.
AIGNE
Build and run agent-oriented projects with the framework and CLI documentation.
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More from ArcBlock
Recent articles, research, and product notes.
View allOntology, Explained Through Our Own Website
From Palantir's Ontology to the events, articles and learning materials on ArcBlock's website: how objects, relationships and runtime capabilities give people and AI agents shared material to work with.
Moving to ARC: Blocklet Server 1.x Service Retirement
Official hosting and associated services for Blocklet Server 1.x retire on December 31, 2026. Plan your ARC migration, self-hosting and data backup.
From Conversation to Article: AFS on Cloudflare
A live Cloudflare Connect walkthrough of how an agent reads website content through AFS, prepares a draft, and gives people a preview before publishing.
Meeting NXGN Software at Cloudflare Connect
ArcBlock founder Robert Mao meets Kal, founder of NXGN Software, to discuss practical AI adoption for smaller businesses and try a live conversation-to-article demo.
Why Aside Is Built for Working with Agents
Aside was designed around both the human experience and agent access. AFS lets both work with the same library, while structured interactions give people a way to make decisions and keep the work moving.
A Security Hardening Release for Blocklet Server
A security review of Blocklet Server found issues in authorization, logging and input validation. All releases up to 1.17.12 are affected; the fixes ship in 1.17.13-beta-20261019-082907-fe71de61 and later. Hosted apps are already patched. Self-hosted servers should move to the beta channel and restart.