Polybase

Polybase is a privacy preserving decentralized database, built on zk-STARKs. We use a zk-rollup combined with native indexing to allow decentralized database rules, fast queries and scalable writes.

Pre-Seed Funding: $2 Million

Whitepaper

Onepager

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What is Polybase

At a high level, Polybase is a NoSQL-like database, with validation rules written in a JavaScript like language. The SDK is similar to Firestore and Supabase.

Polybase is better than using a centralized database like Firebase, Postgres or Supabase because you can encrypt data using wallets for “self sovereign data” and verifiably query Polybase from smart collections (coming soon).

Polybase is better than storing data on-chain because it’s 1000 to a million times cheaper than on-chain storage. For example, storing 1MB on Ethereum costs around $10,000.

We presented the underlying advances in zk-SNARK/zk-STARK algorithms that enable secure off-chain processing and storage, as well as the economic incentives that drive correct behaviour. For the first time, the Polybase protocol provides the necessary infrastructure to enable the next generation of dApps, which are particularly compelling for enterprises. These new enterprise focused dApps will provide the basis for wide scale adoption of decentralised applications within enterprises.

Blockchains are not built for scalable structured data storage so we built Polybase to combine the best attributes of web2 databases and blockchains.