Deployment Addresses V1

KlerosLiquid V1 contract addresses on Ethereum Mainnet and Gnosis Chain: Court, Curate, Escrow, Governor, and arbitrable app deployments.

This page lists the V1 (KlerosLiquid) contract addresses, organized by product. For V2 (KlerosCore on Arbitrum) addresses, see the Deployment Addresses reference page. For cross-chain infrastructure, see Vea Deployment Addresses.

Base and Arbitrum Vea routes were deployed in June 2026. The veashi-sdk is available on npm as @kleros/veashi-sdk v0.0.2.

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Court

V1 (Ethereum Mainnet, Chain ID 1)

Contract	Address
KlerosLiquid	0x988b3A538b618C7A603e1c11Ab82Cd16dbE28069
PNK Token	0x93ED3FBe21207Ec2E8f2d3c3de6e058Cb73Bc04d
PolicyRegistry	0xcf1f07713d5193fae5c1653c9f61953d048bece4
SortitionSumTreeFactory	0x180eba68d164c3f8c3f6dc354125ebccf4dfcb86
KlerosLiquid Extra Views	0x2B562ea613ad2f58746935C842d09EB147E1E940
Governor (kleros.eth)	0xe5bcEa6F87aAEe4a81f64dfDB4d30d400e0e5cf4
Governor (poh.eth)	0x327a29fcE0a6490E4236240Be176dAA282EcCfdF
Governor (ubi-voting.eth)	0x7510c77163683448b8Dc8fe9e019d9482Be1ed2b
Governor (fork-dao.eth)	0xf7dE5537eCD69a94695fcF4BCdBDeE6329b63322
Transaction Batcher	0x82458d1c812d7c930bb3229c9e159cbabd9aa8cb
RNGenerator	0x90992fb4E15ce0C59aEFfb376460Fda4Ee19C879

V1 (Gnosis Chain, Chain ID 100)

Contract	Address
xKlerosLiquid	0x9C1dA9A04925bDfDedf0f6421bC7EEa8305F9002
wrappedPNK (stPNK)	0xcb3231aBA3b451343e0Fddfc45883c842f223846
PolicyRegistry	0x9d494768936b6bDaabc46733b8D53A937A6c6D7e
KlerosLiquid/PNK ProxyAdmin	0xD1a711a863aFB85D1b4E721DcB3e48C477E46475
KlerosLiquid Extra Views	0xFA71f907B48f27d22f670d9E446f8137b0769e4B
SortitionSumTreeFactory	0x7AE716d9935F41F173D944FE6557c1e117d561E9
Transaction Batcher	0x6426800F8508b15AED271337498fa5e7D0794d46

V2 (Arbitrum)

See Deployment Addresses for KlerosCore, SortitionModule, and other V2 contracts.

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Curate

V1 (Ethereum Mainnet)

Contract	Address
ArbitrableTokenList (T2CR)	0xebcf3bca271b26ae4b162ba560e243055af0e679
ArbitrableAddressList (Ethfinex)	0x916deab80dfbc7030277047cd18b233b3ce5b4ab
ArbitrableAddressList (ERC20)	0xCb4Aae35333193232421E86Cd2E9b6C91f3B125F

V1 LGTCR Registries (Gnosis Chain)

These registries power Kleros Scout and are consumed by block explorers for address tagging.

Contract	Address
LGTCR Tokens	0x70533554fe5c17CAf77fE530f77eAB933B92af60
LGTCR Address Tags	0x66260C69d03837016d88c9877e61e08Ef74C59F2
LGTCR Contract Domain Names	0x957A53A994860BE4750810131d9c876b2f52d6E1

V2 (Arbitrum)

See Deployment Addresses.

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Escrow

V1 (Ethereum Mainnet)

Contract	Address
Escrow (ETH)	0x0d67440946949FE293B45c52eFD8A9b3d51e2522

V2 (Arbitrum)

See Deployment Addresses.

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Reality / Oracle (SafeSnap)

Used for Reality.eth + Kleros oracle integration and Safe Zodiac governance.

Ethereum Mainnet

Contract	Address
Realitio Arbitrator Proxy (original, no appeals)	0xd47f72a2d1d0e91b0ec5e5f5d02b2dc26d00a14d
Realitio Proxy 2.1 With Appeals (General Purpose)	0x728cba71a3723caab33ea416cb46e2cc9215a596
Realitio Proxy 2.1 With Appeals (Gnosis Zodiac)	0xf72cfd1b34a91a64f9a98537fe63fbab7530adca
Realitio Cross-Chain xDAI Foreign Proxy (non-2.1)	0x2f0895732bfacdcf2fdb19962fe609d0da695f21
Realitio Cross-chain xDAI Foreign Proxy (Realitio 2.1)	0x79d0464ec27f67663dadf761432fc8dd0aea3d49
Realitio Cross-chain Polygon Foreign Proxy	0x776e5853e3d61b2dfb22bcf872a43bf9a1231e52

Gnosis Chain

Contract	Address
Realitio Cross-Chain xDAI Home Proxy	0x29f39de98d750eb77b5fafb31b2837f079fce222
Realitio v2.1 with Appeals (for Moderate)	0xe04f5791d671d5C4e08ab49b39807087B591ea3e
Realitio Cross-chain xDAI Home Proxy (2.1) - Omen	0xe40DD83a262da3f56976038F1554Fe541Fa75ecd

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Proof of Humanity

V1 (Ethereum Mainnet)

Contract	Address
Proof of Humanity	0xC5E9dDebb09Cd64DfaCab4011A0D5cEDaf7c9BDb
UBI Pool	0xa27bfea336bc7058ff1297eeff2732389f8b208f
UBI ProxyAdmin	0x2b59500ad441bf5accf8ff89449552b6487132e0

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Arbitrable Contracts and Integrations

Contract	Address
ArbitrableProxy (Ethereum)	0x99489d7bb33539f3d1a401741e56e8f02b9ae0cf
KlerosConnector for Unslashed (Ethereum)	0xe0e1bc8C6cd1B81993e2Fcfb80832d814886eA38

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V1 Subcourt IDs (Ethereum Mainnet)

The General Court ID is 0 on V1 (different from V2, where the General Court is ID 1).

Check current subcourt IDs and parameters on KlerosBoard.

Generating extraData

To specify a subcourt and juror count in V1:

const generateArbitratorExtraData = (subcourtID, noOfVotes) =>
  `0x${parseInt(subcourtID, 10).toString(16).padStart(64, "0")}${parseInt(noOfVotes, 10).toString(16).padStart(64, "0")}`;

// Example: General Court (0), 3 jurors
generateArbitratorExtraData(0, 3);
// "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003"