Celestia's market share rose to 40% from 20% in May.

According to Cointelegraph, data shows that Celestia's market share has risen from 20% to around 40% since May.
According to RootData, Celestia is a modular blockchain network whose goal is to build a scalable data availability layer that will enable the next generation of scalable blockchain architectures - modular blockchains, designed to make it easy for anyone to deploy their own blockchain with minimal overhead.