Mediachain
An open data network for creative works
Denis Nazarov

Open access today
Reinventing the wheel
Open access today
Open data in silos
Open access today

Solution
Improving collaboration with a protocol for sharing media metadata
Mediachain =
Content ID
Decentralized Database +
Decentralized Database
- Anyone can participate
- No central point of control or failure
- One logical data space
- Built on top of IPFS


Content ID





aec0be6b-8c6e-4ea2-b402-7ed7dc54fc15

Image Recognition
Global Identifier
Content ID
1. Collaboratively talk about the same work
Content ID

by: "Pablo Picasso"
-MoMA
title: "Pierrot"
-Tate

id: "d4648a5b-ce12-4b1c-98b8-f94dca764b75"
Content ID
2. Search with an image

Content ID

id: "d4648a5b-ce12-4b1c-98b8-f94dca764b75"
artist: "Pablo Picasso"
title: "Pierrot"
year: 1918
medium: "Oil on canvas"
dimensions: "92.7 x 73 cm"
object_number: "12.1952"
department: "Painting and Sculpture"
-Moma, Tate
Data Structure
Participants make Statements about a work

by: Pablo Picasso
title: Bull
year: 1958
-Love, MoMA
Statements

can be derived from existing metadata through Translators
Statements
signed with the participant's keypair

Statements
walked to form a complete picture
title: Horse and Barge,
artist: David Cox
-Tate
title: Horse and Barge,
artist: ???,
year: 1820
-MoMA
title: Horse and Barge,
artist: David Cox,
year: 1820


Chain
anyone can contribute, but untrusted statements discarded at read time
title: Horse and Barge,
artist: David Cox
-Tate
title: Horse and Barge,
artist: ???,
year: 1820
-MoMA
title: Horse and Barge,
artist: David Cox,
year: 1820
title: I Like Cheese
-Donald Trump


Tree
Network effect!

Some applications
Annotation
Surface metadata conflicts
Attribution and analytics
Open access before IIIF

Disparate silos
Open access with IIIF
Many independent spec-compliant API endpoints

Mediachain ❤ IIIF
Single data network with verified participants

Mediachain ❤ IIIF
- Search across datasets
- Global identifiers
- Data collaboration
- Content addressing
- Attribution
Mediachain ❤ IIIF
Future: Serialize Mediachain data to be IIIF complatible
Future: Integrate IIIF viewers as clients to Mediachain
Infrastructure for simpler open access!
Help
Contribute to open source development
We need data!
Help build apps
Thank you!



with an underscore
Mediachain
By Denis Nazarov
Mediachain
- 3,701