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LEARN / Personal data spaces
Give data and applications their own places.
Explore the distinct roles of Arc Space, MyData, Solid and IPFS through the control and use of personal data.
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- 01Understand personal data spaces
Start with the boundary between data and apps, then compare approaches.
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Personal data spaces
Concepts, products and related approaches
- How does a personal data space differ from an app database?
Think about several applications using data within user-centered access boundaries.
- Why is Arc Space more than an identity feature?
Identity and control relate to a space; applications also need usable data.
- Is MyData a principle, organization or product?
Understand a human-centric direction without confusing it with a file protocol.
- How does Solid separate apps and data?
Understand its boundary through Web resources and access control.
- Is IPFS a storage service or a set of protocols?
IPFS provides content addressing, discovery and transfer mechanisms, rather than a single storage provider.
- What role does Filecoin play in storage?
Distinguish providers, on-chain records, storage proofs and retrieval.
- How does Arweave differ from a personal data space?
Separate a permanent-storage objective from everyday application data management.
- What were ArcBlock’s two MyData recognitions?
Distinguish Operator 2023 from Technology 2025 in the historical record.
- How do Arc Space, Solid, IPFS, Filecoin and Arweave compare?
Compare control, access protocols, addressing and retention as distinct responsibilities.