Data Availability:
Polygon PoS vs zkEVM Options

On-Chain vs Off-Chain Data Storage

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About Polygon PoS

In Polygon PoS, all transaction data and state is stored directly on the sidechain. This on-chain availability allows fast data retrieval and cross-referencing, which is useful for reconciliation and auditing. The tradeoff is additional storage overhead maintained by the sidechain's validator set.

About Polygon zkEVM

Polygon zkEVM provides a Hybrid data availability schema with two options. Validium stores data off-chain, reducing on-chain burden and enabling faster processing — only validity proofs are posted to Ethereum. Volition is a hybrid option where critical data can optionally be stored on-chain while the rest stays off-chain, balancing efficiency with faster access.

On-Chain Storage

Polygon PoS keeps all data on its sidechain, ensuring fast retrieval but adding storage overhead to validators.

Validium Mode

Polygon zkEVM Validium stores data off-chain, posting only ZK proofs to Ethereum for minimal on-chain footprint.

Volition Mode

Volition lets developers choose per-transaction whether data is stored on-chain or off-chain for flexibility.

9,000+ TPS

Validium architecture can theoretically process 9,000+ transactions per second versus Ethereum's ~15 TPS.

Key Details

DATA AVAILABILITY

  • Period

    PoS: On-chain

  • Period

    PoS: On-chain

  • Category

    Data Availability

  • Website

    polygonvspolygonpos.com

  • Network

    Validium option

  • Fees

    Volition hybrid

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