Witness is a platform that bridges Web3 ownership and incentives with the scalability of Web2. It enables the creation of verifiable digital ownership and provenance for data without the initial complexity or cost associated with blockchain technology. Witness operates through a hybrid offchain/onchain system, facilitating data submission, aggregation, and onchain verification to ensure tamper-proof data integrity. Its architecture merges Web2 efficiency with blockchain's trustless and immutable nature, catering to a wide range of use cases.