Accord is an arbitration oracle on Solana. Any Solana program can create an application specific court (i.e. subaccord) and file disputes. A random jury of a specialized, stake-weighted juror pool reviews encrypted evidence and votes under commit--reveal. Jurors that vote with the final ruling earn fees and slashed stake. Jurors that vote against it lose stake. Appeals grow the panel stepwise from 3 to 31 jurors, which raises both the cost of maintaining a captured verdict and, under certain conditions, the probability of a correct majority. Each pool defines its own collateral mint and its own fee mint, so the economics can fit the application. This paper elaborates the mechanism, the incentive model, the residual trust assumptions, and the differences to the established court on EVM, Kleros. We further discuss implementation details that are Solana specific.

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