The Data Is Still There. I Have Already Lost It.
Data in your hands may no longer be usable. Data in the cloud may still be yours. A personal history of data sovereignty across floppy disks, MO media, cloud services, private keys, and AI.
Different ideas. Distinct worlds.
Aistro
Explore your inner world, with your personal profile and discoveries in your hands.
Aside
Save what inspires you and build a collection of knowledge that belongs to you.
ArcThesis
A personal workspace for investment research and strategy, bringing equities, crypto, and your own AI together.
ARC Home
Connect your home’s devices and routines, with household data in your family’s hands.
MILEMERE
A Tesla companion for every journey, with your vehicle data and driving history under your control.
Join the builders.
Join the ArcBlock Community- Builders
- 4,817
- Apps
- 625
- Websites
- 779
- Independent deployments
- 1,023
- Downloads
- 1.1M
* Cumulative since 2018, as of September 2026; measurement criteria vary by metric.
THE COMPUTER BEHIND THE EXPERIENCE
Meet ARC. Make it yours.
The website you’re reading runs on ARC. Its pages, content, and interactions are brought together as a Blocklet. The same runtime supports very different experiences.
A SPACE FOR YOUR DATA
ArcSpace. Keep your world close.
Formerly DID Space, ArcSpace is a data space for you and your applications, associated with your digital identity. Create a personal space, or connect an application with the access it needs.
Learn moreIDENTITY, ASSETS & CREDENTIALS
ArcBlock Chain. A foundation you can verify.
ArcBlock’s Layer 1 blockchain supports digital identity through DIDs (decentralized identifiers), verifiable records and token payments. ABT is the native token of the public network. Explore the network, or the software for launching your own chain.
Learn moreAN INTERACTIVE INTRODUCTION
Find your way into ArcBlock.
Start with what interests you. Move through the ideas, products, and connections in an interactive tour.
Enter the experienceChoose a perspective. Explore at your own pace.Ideas, in motion.
Recent writing from ArcBlock.
View allFunctional Networks, Not Perpetual Promises
The SEC staff's new crypto FAQ draws a useful distinction between improving a working system and promising to build one. What matters is distinguishing delivered capabilities from work that remains promised.
Build a travel collection in Aside
Start with a route guide and a record of your own. Save content, add a note, and bring the pieces together in a travel collection in Aside.
DiscussKit, Rebuilt on ARC
DiscussKit has been rebuilt on ARC, and ArcBlock Community has completed its move. This is a new division of responsibility across discussions, identity and user-owned data.
Why We Built Aside
We watched great tools change hands or disappear. That is why ArcBlock built Aside: an ARC-powered iPhone app that sends every Share back to a place you own.
Under the surface.
Explore the ideas and protocols behind ArcBlock.