"KLEROS 2.0: SCALING FROM 1,000 TO 1 BILLION CASES" I explain how this new version of the protocol, completely rebuilt from scratch, brings radical performance improvements: - Way cheaper. - 1 person 1 vote courts. - Better selection processes for jurors. - More flexible decision making logics to handle non-binary cases. - More!

1. FEDERICO AST
CEO
federico@kleros.io Kleros.io
Kleros 2.0:
Scaling from 1000 to 1 Billion
Cases
@federicoast @kleros_io

2. Kleros 1.0
Launched in 2019

3. The Contract

4. Arbitrator

5. Jurors

6. Alice
Wins
Arbitrator

7. Jury
Selection

9. PNK
Digital token that users need to
stake to be drawn as jurors.

14. Users trying to game
the system will
lose money
(on average)
$

15. Honest users
will
make money
(on average)
$

20. Technical
Challenge
1

21. How can Kleros be made
secure against different
types of attacks?

22. Collusion
Bribery
Lazy Voting
51% attacks

23. Market
Challenge
2

24. How can Kleros
address a broader
variety of use cases?

25. Kleros 1.0 was too
rigid and expensive

26. Legal
Challenge
3

27. Is this even legal?

28. The New York
Convention

31. Ethical
Challenge
4

32. Is decentralized justice a
fair method for dispute
resolution?

33. Arbitrators are certified
dispute resolution
professionals.
Traditional Dispute Resolution

34. Any user holding the PNK
token can be drawn as
juror.
Kleros

35. Parties cannot be jurors in
a case where they have a
direct interest.
Traditional Dispute Resolution

36. Users can be jurors in any
case (even if they are one
of the parties).
Kleros

37. Arbitrators must not have
a financial interest in the
outcome of a case.
Traditional Dispute Resolution

38. Arbitrators have a financial
interest in the outcome of
cases.
Kleros

44. The blockchain
ecosystem has greatly
evolved since Kleros
started.

45. New tools enable a
wider and more
flexible design space.

46. Blockchain
Scalability

51. Objective
Simple
Subjective
Complex
Better
solved by AI
Better
solved by
Kleros
Better solved
by traditional
methods
AI

53. Cross-Chain
Capabilities

57. Proof of
Personhood

58. A unique on-chain identity
for every human.

61. Idena
POH BrightID Worldcoin

62. “More money
should not give
you more votes”

64. 1 person
1 vote

66. Soulbound
Tokens (SBTs)

72. Jurors Vetted
by Skills

73. FRED

74. Jurors
Belonging to a
Community

76. Skill
+
Belonging to a
Community

78. Harnessing the
Wisdom of
Crowds

79. Nicolas de
Condorcet
(1743-1794)

82. More
Sophisticated
Decision Making
Logics

83. Kleros 1.0 was
mostly adapted to
binary choices

84. Social Choice
Theory

86. Ranking Options

90. Choosing a Value

93. Juror Misbehavior
Court
(aka “Internal
Affairs”)

94. Fighting Conflicts of
Interest

98. In Summary

101. 5 Years of Research

102. Cheaper

103. More Secure

104. More Flexible

105. Welcome to Kleros
2.0!

106. FEDERICO AST
CEO
federico@kleros.io Kleros.io
Kleros 2.0:
Scaling from 1000 to 1 Billion
Cases
@federicoast @kleros_io