Evidence Market

Evidence Market is a decentralised intelligence marketplace for investigative material where people holding leads and people needing them exchange evidence without exposing identity. A submitter uploads material and receives an encrypted credential, a requester can decrypt only after paying, and the submitter earns an additional reward once the material is confirmed valid.

Mechanically, material first enters an evidence blind box: only a hash and a category are public at upload while the content is stored encrypted. A requester pays a retrieval fee to gain decryption rights, priced by index delay so earlier access costs more and the fee falls toward zero as the material approaches public release, which prices timeliness. Bounties are escrowed by the requester and released once a verifier judges validity against checkable criteria, with disputes going to multi-signature arbitration. Private computation runs inside confidential contracts on Oasis Sapphire, so material and judging logic are handled in a trusted execution environment while only proofs and state reach the chain. Settlement entry points exist on several networks, with the path chosen by the submitter's network.