Dr Robert Learney (@robertlearney) Associate Director of Imperial’s Cryptocurrency Research Centre Rachel Dunscombe (@ukpenguin) CIO, Salford Royal NHS Foundation Trust @htw_uk www.healthtechwomen.co.uk #HTW16 #expo16nhs
Dr Robert Learney (@robertlearney)Associate Director of Imperial’s Cryptocurrency Research Centre
Rachel Dunscombe (@ukpenguin)CIO, Salford Royal NHS Foundation Trust
@htw_uk www.healthtechwomen.co.uk #HTW16 #expo16nhs
Database
Database
Records
Database
AccessControl
Records
Database
J
J
J J
J
J J
J
J
J
L
LL
L
L
LL
L
LL
L
AccessControl
Bob £1
John £5
Bob £1
John £5
Bob £1
John £5
Bob £1John £5
So Far…
• A network of– Distributed, redundant copies– Continually synchronising– Access control to the database– Encryption of the actual data
Records
21 3 54
1 3 54
Deleted
1 3 53
Deleted Edited
21 3 54
21 3 54
21 3 54
21 3 54
25
4
25
254
25
254
25
25
19
194
25
25
19
194
25
25
19
194
25
25
19
19
3
3
78
78
12
4
The Final Mixture
1980s
1980s
1980s 1970s
1980s 1970s
1980s 1970s
1400s
1980s 1970s
1400s
The Magic Ingredient…
1980s 1970s
1400s
1990s
The Magic Ingredient…
Proof of Work
Proof of Work
21 3 54
21 3 54
4*
4*
5*4*
5*4*
65*4*
BlockchainTechnology
Summary
• Synchronised, distributed database– 100% uptime
• Multi-level access control and encryption– Public yet privacy preserving
• Irreversible time-stamping– Uncensorable– Fully auditable
So standing in the service …..
What Next?
• Empowering Citizens• Ubiquitous Layer of Exchanging Trust
– Speak the protocol? Come and interact!• Untamperable Transparent Data• Better Resource Sharing
Non-Financial Uses
• Aid Distribution• EverLedger Diamond Tracking• Notarisation• Verifying Academic Qualifications• Managing Distributed Co-Ops• Oracle Services
Pitfalls & Problems
• The Hype Cycle• Scalability
– PoW vs. PoS– Cryptography
• Organisational Inertia• Vulnerable Adults & Children
Get in touch…
@htw_uk
meetup.com/HealthTechWomenUK/
healthtechwomen.co.uk
tinyurl.com/fb-htw
tinyurl.com/lki-htwuk