
Ideamarket
Ideamarket is a credibility market on Arbitrum where users earn ETH by posting opinions and rating other users' posts to build an on-chain endorsement record.

What is Ideamarket?
Ideamarket is a reputation and credibility market on Arbitrum that turns online opinions into a tradable on-chain record. Users pay a small ETH fee to publish a post, and other users pay to rate it, with the rating fees flowing to the post's owner. The on-chain record of who endorsed which claims, and when, can be queried later as a filter for thought-leadership, prediction-market settlement, and credibility-weighted social feeds.
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App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

