Seer vs Trueo: Which Prediction Market Fits You? (2026)

Seer and Trueo both let users trade predictions on real-world events, but their market designs differ. Seer supports four formats: categorical, multi-categorical, scalar and multi-scalar. That gives market creators ways to set up single-choice, multiple-choice and numeric outcomes. Its outcome tokens use the Conditional Tokens framework, with ERC1155 tokens wrapped into ERC20 tokens for trading and DeFi use.

Trueo focuses on binary Yes/No questions. Its markets cover areas including crypto, politics, technology and finance, and the site displays prices as percentages alongside volume. It also has threads, activity and conditional-market labels. Seer runs on Gnosis and Ethereum; Trueo runs on Base. The reported TVL is about $323,000 for Seer and about $1.70 million for Trueo, but TVL alone does not show how much liquidity is available in any particular market. Both projects let users propose or create markets.

Trueo is the clearer fit if you want binary markets and a position that the project describes as earning yield. However, its yield rates appear as placeholders, so you cannot compare a published APY or APR. The site also says market creators can earn fees, but does not give the rates. Seer’s protocol description mentions yield-bearing tokens, but it does not publish a rate either.

Neither project publishes a complete fee schedule. Seer’s trading, market-creation and liquidity-provider fees are not stated; Trueo’s trading, creation and withdrawal fees are also not stated. Both add network gas costs: Seer users transact on Gnosis or Ethereum, and Trueo users transact on Base. Those network costs can vary, and no fixed figures are published here. Before trading or proposing a market, check the app and project documentation for the applicable charges. Do not assume that advertised or described yield will offset fees or trading risk.

Neither Seer nor Trueo has audits listed, and neither publishes an audit report in the project details here. That leaves smart-contract risk without publicly documented independent audit coverage. Seer’s on-chain design means users retain wallet custody, but funds in markets remain exposed to contract and resolution risks. Trueo’s public information does not explain custody, admin keys or past incidents.

The settlement mechanisms also differ. Seer relies on Reality.eth answers, with disputes handled by Kleros. Ambiguous questions can be contested or take time to resolve. Trueo’s oracle is secured by staked TRUE, which connects settlement to token incentives; the project does not explain enough about incentives or dispute handling to assess that process fully. Neither publishes licensing, KYC rules or regional restrictions. Prediction markets may be regulated or restricted where you live. These services are for adults aged 18 and over; check local laws and only risk money you can afford to lose.

Seer is the better match if you want more than Yes/No markets, need scalar or multi-outcome formats, or prefer to use Gnosis or Ethereum. Its ERC20-wrapped outcome tokens are designed to be easier to trade and use in DeFi, and disputes go to Kleros rather than a central operator. Its relatively low TVL, about $323,000, is a reason to check liquidity and market depth before taking a position.

Choose Trueo if you want binary markets on Base, a broader reported market selection, or a token-linked oracle role. TRUE holders can stake TRUE or TRUE-ETH LP tokens to help secure resolution, and the project describes positions as yield-bearing. But yield rates and fees are not published, and staking introduces token and oracle risk. Trueo’s TVL is higher at about $1.70 million, yet individual markets can still be thin. For either platform, compare the specific market’s liquidity and wording, and verify that using it is legal where you live.