In every other market, a long position requires only capital. In Agora, going long requires capital and published evidence. The position only activates when the thesis exists on-chain. This is the mechanism that makes the oracle's credibility cumulative and the market's intelligence adversarial.
In every prior market, a long position is capital and nothing more. You buy; the price moves; you profit or lose. The quality of your reasoning is invisible to the market. Two investors with identical positions but completely different analytical foundations are indistinguishable. The accurate analyst and the lucky guesser look the same until they don't — and by then the signal has been drowned in noise.
Agora changes this structurally. An Attention Long requires published evidence-backed content as a condition of activation. The position does not exist until the thesis exists on-chain. The thesis enters the information environment. The oracle watches. The market develops adversarial pressure on the claim. The most accurate theses, deployed in the most effective frames, at the most precise moments — these win not because capital backs them but because they are right.
Credence score is a recency-weighted track record of oracle prediction accuracy. A 30-day half-life decay ensures the score reflects current accuracy, not a lucky streak from three years ago. The multiplier converts credence score into leverage: 90%+ accuracy yields 4.5× leverage — so a $10,000 position from an epistemic sovereign carries the effective weight of a $45,000 position from a participant with no track record. Capital alone determines position size for new participants. Demonstrated accuracy compounds it.