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Streamplace is the first decentralized video infrastructure layer to combine:
  • C2PA content authenticity manifests
  • Ethereum-based cryptographic signatures
  • A complete metadata system for rights, warnings, and distribution rules
This creates a verifiable, tamper-evident, rights-aware video pipeline suitable for decentralized social networks, journalism, creator ecosystems, and Web3-native platforms.

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🛡️ Why Provenance Matters

Traditional video platforms provide no guarantees about:
  • Who created a video
  • Whether it has been altered
  • Whether rights or warnings attached to it are authentic
Streamplace solves this by ensuring that every single 1-second video segment carries cryptographic proof of origin and policy.

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🧬 Provenance Pipeline Diagram

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🔐 C2PA Manifests

Each segment includes a C2PA (Content Credentials) manifest, which:
  • Captures creator identity
  • Includes claims about rights, sources, edits, and warnings
  • Provides tamper-evident cryptographic sealing
C2PA provenance is standards-based, making Streamplace output compatible with tooling used by:
  • Adobe
  • Microsoft
  • Nikon
  • The Content Authenticity Initiative
Reference: https://spec.c2pa.org/

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🔏 Ethereum Signatures

In addition to C2PA, Streamplace attaches Ethereum signatures that:
  • Bind creator identity to content
  • Integrate with Web3 identity systems
  • Allow on-chain verification
This creates a dual provenance layer: open standards + decentralized identity.

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🧱 Metadata Schema (Rights, Warnings, Policies)

Streamplace defines a rich metadata system under place.stream.metadata.*. Key fields:
  • contentRights — licensing, attribution, copyright
  • contentWarnings — safety, graphic content, flashing lights, etc.
  • distributionPolicy — retention rules, syndication permissions, geography
  • configuration — playback preferences
  • story/series metadata — episode, chapter, continuity
Docs: https://stream.place/docs/video-metadata/metadata-record/

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🌐 How Metadata + Provenance Survive Transcoding

A major design innovation: provenance persists even after Livepeer transcoding. The process:
  1. Streamplace embeds provenance into each segment before sending to Livepeer.
  2. Orchestrators transcode segments without stripping provenance.
  3. Streamplace reconstructs manifests with provenance intact.
  4. Playback clients can verify signatures independently.
This creates an end-to-end authenticity chain, even across decentralized compute.

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🧩 Example Use Cases

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1. Decentralized Social Networks

Users get video with automatic rights, warnings, and authorship.

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2. Citizen Journalism

Segments can be independently verified for authenticity.

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3. Creator Economy Platforms

Rights metadata travels with content, enabling automatic attribution.

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4. Moderation Tools

Platforms can rely on embedded metadata instead of platform-owned signals.

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📚 Related Pages