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 knowledge availability – a service wanted by these “rollup networks” to stash the reams of knowledge produced on all of the transactions happening. A key driver for DA options is that they’ll present a less expensive and quicker manner of storing knowledge than on the principle Ethereum blockchain.