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The Blockchain Dispute Resolution Layer

Kleros provides fast, secure and affordable arbitration for virtually everything.

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Token sale full bonus phase ends June 15th, 2018.

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The Challenge

Disputes in the global, digital, and decentralized economy occur in areas where they cannot be solved by state courts and existing dispute resolution methods.

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The Solution

Kleros connects users who need to solve disputes with jurors who have the skills to fairly settle them. Our resolution layer uses blockchain technology and crowdsourced jurors to adjudicate disputes in a fast, secure, and affordable manner.

The Solution

How Does Kleros Work?

1
Contract

Contract

Users create a smart contract and choose Kleros as its adjudication protocol.

2
Dispute

Dispute

The relevant information is securely sent to Kleros.

3
Selection

Selection

A tribunal is drawn from the crowd. Jurors evaluate evidence and cast their vote.

4
Enforcement

Enforcement

The decision is enforced by the smart contract.

Crowdsourcing taps into a global pool of jurors. Blockchain guarantees evidence integrity and transparency in jury selection. Game theory provides incentives for honest rulings.

Use Cases

Escrow

Arbitration

A freelance job is contracted between two people working cross continent. The service is not rendered to a satisfactory standard and a jury of experts analyze the evidence, vote, and find a verdict.
Social Media

Social Media

An unpleasant comment posted in a decentralized social media platform is deemed to have broken terms and conditions. Kleros jurors rule to deduct reputation points from the user.
Insurance

Gaming

Online gaming is a growing market with superstar players. Professionals will require a highly skilled group of jurors to arbitrate disputes, and for the provision of safe spaces to play in.
Crowdfunding

Crowdfunding

A startup backed by crowdfunders never materialises a viable product. The funds have been locked in a smart contract escrow adjudicated by Kleros jurors and are returned to the investors.
Curated Lists

E-Commerce

A product purchased online does not meet the advertised standard. Kleros adjudicates in favour of the buyer and a smart contract returns the funds.
Oracles

Oracles

“Did it rain in Ulaanbaatar today?” An oracle bridges the gap between the outside world and blockchain allowing smart contracts to use real world data in their outcomes.

Pinakion Token (PNK)

PNK provides jurors an incentive to vote honestly. Users trying to game the system will lose money.

Pinakion Feature

Pinakion protects the system from sybil attacks, while also providing jurors an incentive to vote honestly.

How? Read the white paper Right Arrow

Security for Users and Jurors Alike

Bribe and attack resistant whilst offering user privacy through intelligent design. We have a dedicated team conducting cryptoeconomic experiments to ensure the safety of our protocol.

Team

Federico Ast

CO-FOUNDER, CEO

Clément Lesaege

CO-FOUNDER, CTO

Nicolas Wagner

CO-FOUNDER, WEB3 DEVELOPER

Sam Vitello

DAPP DEVELOPER

Romina Kavcic

DESIGN LEAD

Stuart James

COMMUNITY MANAGER

Enrique Piqueras

DAPP DEVELOPER

William George

CRYPTOECONOMICS RESEARCHER

Addison Huegel

PR

Team Member Portrait
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Advisors

William O'Rorke

LEGAL ADVISOR

Mitchell Loureiro

MARKETING ADVISOR

Spencer Bramson

MARKETING ADVISOR

Partners

Kleros in the Media

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Thomson Reuters will host Kleros in its incubator program which is focused on collaborating with innovative early stage startups and helping entrepreneurs realize their vision...

May 8, 2018
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A majority of the world’s economic activity now operates completely online. The Internet has surpassed regular jurisdictional avenues of governance...

April 16, 2018
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In a world hurtling through one technological breakthrough after another, Federico Ast looked to the past for inspiration when starting his company...

April 4, 2018
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Kleros borrows from the way the ancient Greeks resolved disputes in a democratic manner, and adds game theoretical incentives via a blockchain token.

March 6, 2018
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Get your popcorn at the ready as we prepare to chew over the highlights from This Week in Bitcoin, where courtroom drama held sway.

March 5, 2018
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Featuring Kleros taking a chance, BitFlyer landing in Europe, and Nordea in the mood for banning.

January 23, 2018
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