These chains embody Arbitrum, Optimism, Polygon, StarkWare and zkSync. Customers will have the ability to choose in or out to make use of Avail for information availability – a service wanted by these “rollup networks” to stash the reams of information produced on all of the transactions happening. A key driver for DA options is that they will present a less expensive and sooner approach of storing information than on the primary Ethereum blockchain.