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What is On-Chain Data Availability (OCDA)?

Crypto Terms Glossary: What is On-Chain Data Availability (OCDA)?

On-chain data availability (OCDA) is a hybrid approach to data storage that allows users to choose if their data is stored on-chain or off-chain. OCDA was launched as one of the newly developed features with the release of Loopring 3.0. While this feature is off, and data is stored on-chain, the network achieves 2,025 transactions per second (TPS). However, if OCDA is on and data is stored off-chain (by using Validium mode), throughput can reach 16,400 TPS. However, at that speed, network security is that of a consortium blockchain and not always ideal. These dynamic scalability solutions are known as volitions. In short, OCDA and zk-Rollup technology work together to allow Loopring 3.0 to become comparable to non-custodial exchanges by matching their centralized, custodial competitors' performance by facilitating very fast asset exchange and transaction times.

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