identifi
The P2P Identity and Reputation Database
Martti Malmi 2013
Vision
Ubiquitous identification and reputation
Get benefits everywhere for being a good guy
Get ostracized everywhere for antisocial behavior
Huge incentive to not be a butthead
Decentralization of justice
Enables competing judges and investigators
Everyone can choose whose judgement to trust
Non-violent justice
Ostracism is cost-effective
Encourages compensation over punishment
Economic benefit
Reduces risk of trade or loan, thus reducing price
Mission
Collect
identifiers
from everyone on the planet
Email address
Photograph
Birthdate
...
Connect the identifiers with different
relations
:
A and B belong to same person
B successfully traded with C
C stole from D
...
Evaluate
data
More weight on relations created by friends
...
Identifiers
Anyone can add
Unique or non-unique
Data model:
Type
Name
Facebook ID
Phone number
Address
Public cryptographic key
Fingerprint
Company ID
Create new types at will
Value
Relations
Links between identifiers
Anyone can create
Digitally signed by creator and people who approve
Data model:
Type
Related IDs
Value
Timestamp
Signatures
More relation types
Facebook friendship
Facebook relationship status
A's Reddit account is B
C works for D
C no longer works for D
E's judgement of a dispute between F and G
Public contract between H and I
Create new types at will
Evaluating
Evaluate credibility of relations
Various algorithms to counter spam and fakes
User chooses how to evaluate
Relation creator's position in your social network
Relation creator's reputation
Other relations by the same creator
Show or hide anonymous gossip
Nodes can drop untrusted relations if disk space low
Visualization
Strategy
P2P distributed data storage
Avoids social and political pressure
Freenet? DHT?
Most users use via 3rd party web services
Web services can run their own nodes
Crawl data from existing sources
Facebook
LinkedIn
eBay
Public records
...
Use case: Lend money
Take a photo of an unknown person in a pub
Search by photo on Identifi
Find out the person's name and other details
View person's connections to your social network
View person's reputation, eBay style
Decide if you want to lend him 20 € for beer
Write a review later
UI Example
Augmented reality with Google Glass
Use case: Fighting crime
Capture thieves face on surveillance cam and search
Get witnesses and file a report on Identifi
Thief gets ostracized
Thief can't get apartment, job, insurance or GF
Thief incentivized to apologize and compensate
...or defend himself from false accusations
Trusted entity can investigate disputes and judge
Cost-effective
Way cheaper and easier than going to court
Cheaper and less harmful than jail
Ostracism works
Compensation over punishment
Changing the society
Politicians likely to get negative feedback
Discourages participation in politics
Incentivize public servants with reputation
Social reward for good service
At last, responsibility for bad service...
Discourage from enforcing unjust and unpopular laws
Victimless crime
Intellectual property laws
Self-defense laws
Global village community
, everyone knows each other
Secure your future with karma, not just money
Gift economy, charity
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