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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

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Project industryBig Data & Data Storage
Product typeTechnology
WhitepaperPolybase White Paper Open
OnepagerPolybase Onepager Open

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.


Raised: 2,000,000 USD


Registration year: 2022

Polybase Roadmap

2023 Q1: Rollup and consensus

This quarter we aim to be functionally ready with the main roll-up and consensus functionality. This will allow us to plugin the proof system when ongoing work completes in Q2.

  • Authorization rules
  • P2P connections
  • Consensus
  • Mempool
  • Rollup commit
  • Indexer plugins
  • Finalized Polylang to Miden VM
2023 Q2: Sharding and economics

Next quarter we will prepare for our main net launch by addressing the game-theoretic and economic aspects of the Polybase protocol. This will also encompass work on sharding and scalability as well as payment.

  • Sharded rollup and consensus
  • Re-sharding
  • Allocation
  • Cross shard queries
  • Payments
  • Validation proofs
  • Rollup proofs

Project team

Sid Gandhi
Sid Gandhi
Sid Gandhi linkedin
Calum Moore
Calum Moore
Calum Moore linkedin

Social media

Polybase web-sitePolybase MediumPolybaseYouTubePolybase LinkedInPolybase TwitterPolybase DiscordPolybase Github

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