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Change template, move user exp to applications
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# Data & Discovery
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Data structures, data availability, persistence, and mutability in decentralized applications.
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Data portability
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Decentralized systems do not have a single central system to coordinate updates.
Change template, move user exp to applications
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### Data availability
No server has a unified global view of a decentralized network.
Data is only available along user connections or the follow graph, whether that is determined by node or by server.
Mastodon - No global search functionality
### Mutability
Ssb & Hypercore - Messages added to the append-only log are immutable. Applications can choose not to display messages indicated as deleted, but the data cannot be overwritten.
IPFS - Once added to a network, content is discoverable by its hash. If a copy remains stored on the network, it is re-discoverable by this reference.
### Data structures
JSON-LD
RDF