1. MyData 2016 – Blockchain and Personal Data
Markus Sabadello
Blockchain and Personal Data

2. Blockchain and Personal Data
Why blockchain?
How to use blockchain for “MyData”, “Self-Sovereign Identity”?
Early approach: Namecoin, i.e. /n/... and /id/…
~30 Projects:
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3. Blockchain and Personal Data
WHAT do we store on the blockchain?
Identifiers? Cryptographic materials? Claims? Agreements? Transactions? Tokens?
WHICH blockchain / distributed ledger do we use?
Public vs. private? Proof-of-work, proof-of-stake, proof-of-standing, etc.?
Use of smart contracts? Use of DHT, public clouds, private clouds, IPFS, etc.?
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4. Criticism
Code is law?
Banks? Peter Thiel? Ethereum’s The DAO? Microsoft LiveID?
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5. Some Events 2016
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6. Current Work The XDI.org Registry Strawman Proposal.
The paper Decentralized Public Key Infrastructure.
A working draft of the DID Identifier and Object Specification.
U.S. funding:
DHS Blockchain Technology for Privacy Respecting Identity Management
E.U. funding:
ICT12 Net Innovation Challenge
DEMO!
XDI Cloud Name and Cloud Number discovery
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7. Contact Contact: markus@danubetech.com www.danubetech.com Danube Tech