Kleros Scout Incentive Program for May 2025: Updated Chains and New Field!

We’re delighted to announce that Arbitrum One and OP Mainnet are returning as eligible chains, expanding opportunities to earn PNK.

Plus, in collaboration with our partner Etherscan, we will add a new "Website" field to the Token Registry to keep increasing the completeness and utility of our registry!

The Kleros Scout Incentive Program renews with fresh momentum from May 1 to May 31, 2025.

This post covers all the details you need to jump in and make a difference!

Eligible Chains

More Opportunities: Arbitrum One and OP Mainnet are now back as eligible chains, giving you more ways to earn PNK.

To qualify for rewards, submissions must be on one of the eligible chains: Avalanche C-Chain, zkSync, Scroll, Gnosis, Celo, Base, Solana, Arbitrum One, and OP Mainnet.

Note: From March 2025, FTMscan (Fantom) has been deprecated and will no longer be part of the rewardable list.

For registry-specific chain-related guidelines, all remained unchanged.

• For Address Tags:
  • Submissions must adhere to the standard criteria of the Address Tag registry policy.
  • It must not yet be tagged on the designated explorer for that chain:
    • Avalanche C-Chain → snowscan.xyz
    • zkSync → era.zksync.network
    • Scroll → scrollscan.com
    • Gnosis → gnosisscan.io
    • Celo → celoscan.io
    • Base → basescan.org
    • Solana → solscan.io
    • Arbitrum One → arbiscan.io ( ✨ newly added)
    • OP Mainnet → optimistic.etherscan.io ( ✨ newly added)
• For CDN and Tokens:
  • Submissions must adhere to the standard criteria of their respective registries (more details available at the Scout app, in the top right corner).
  • Solana Tokens need to have a minimum of 5,000 holders (full breakdown of the calculation here).
• Timing:
  • Only addresses untagged by the end of each month (e.g., UTC 23:59 on the last day) will be eligible for that month’s rewards.

New Website Field in Token Registry

Starting May 1, 2025, all Token Registry submissions must include a Website field pointing to the token’s official site (see the Policy preview here for details).

Why this new field?
Our partner Etherscan now requires the Website field for token information, a requirement that fully aligns with our mission to provide transparent, high-quality data to Web3 users.

The addition of this new Website field represents an iteration of April 2025’s registry-specific update: only tokens in the Token Registry, which remains in effect.

Your submissions power our partners’ platforms. For this reason, it is crucial that information remains relevant and reliable for Web3 users, contributing to a safer and more transparent ecosystem.

Scheduled Maintenance

On April 29th 2025 at 9:30 UTC, Scout and Curate will undergo maintenance to ensure normal functionality and add the new field. We will perform tests between April 29th and April 30th to be ready for the new reward program on May 1st.

TL;DR

• Program Dates: May 1–31, 2025.
• ✨ Eligible Chains: Avalanche C-Chain, zkSync, Scroll, Gnosis, Celo, Base, Solana, Arbitrum One and OP Mainnet. Welcome back Arbitrum One and OP Mainnet as eligible chains!
• ✨ New Field: Token Registry submissions now require the "Website" field, supporting our Etherscan partnership. ( This field will be added April 29th)
• ✨ Registry specific submissions (eg: Tokens will only be rewarded if they’re in the Token Registry. See April update for more info.)
• Solana Tokens: Must have 5,000+ holders for rewards (check on dexscreener.com).
• For Address Tags: it must not yet be tagged on the designated explorer for that chain.
• ⚠️ Maintenance on April 29th, 9:30 UTC.
• Reward Calculation: see formula here. Reward Pool: 300k PNK (100k each for Address Tags, Tokens, CDN).
• All submissions need to comply to the registry specific policy (on the top right corner of each registry on https://app.klerosscout.eth.limo/)
• First time submitting? check the step-by-step guide and start earning!