The developers of the Ethereum scaling solution Polygon have announced the launch of a universal data availability tool called Avail.
According to the developers’ statement, Avail will be a data access tool for different execution levels: sidechains, autonomous networks and second-level protocols.
One of the main obstacles to effective blockchain scaling is the problem of data availability. Attackers can broadcast blocks to the network with incomplete data. To solve this problem, Avail uses erasure coding and polynomial commitment to combat fraudulent evidence when coding data, creating a two-dimensional level of data availability.
Rather than creating their own protocols for data availability, runlevels can delegate this role to the accessibility layer, which is a secure hosting environment. Interoperability with Avail will allow autonomous chains to rely on the security protocols of the solution validators. Thus, these chains can solve the problem of data availability without having to run their own set of validators.
For scalable solutions such as Validium, throughput can be increased by deploying Avail to protect the offline data availability feature. Polygon co-founder Anurag Arjun stated:
“We believe that off-chain scaling projects and autonomous chains will require a reliable, scalable solution for data availability, and we are excited to be working to address this issue.”
Polygon’s popularity continues to grow. Major DeFi apps like Aave and SushiSwap have added support for the solution. In early June, OKcoin exchange added Polygon support for lower Ethereum fees and direct access to DeFi.

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