In a Twitter thread, Arjun said he started Avail within Polygon Labs in 2020. Now, Polygon has to focus on its L2 solutions, and the Layer-1 Avail chain falls outside that scope. Avail is being built to enable the development of blockchain scaling solutions including sovereign rollups (especially ZK), sovereign chains, Validiums, Optimistic chains and “Various new constructions made possible via a secure data ordering and availability API,” according to the blog post. Polygon is a “sidechain”...