A complete beginner's guide to how Celestia works, its key benefits, and how anyone in the world can create their own blockchain in minutes. Let’s walk through the basics, step-by-step.Tell me about CelestiaCelestia is a modular data availability (DA) network that securely scales with the number of users, making it easy for anyone to launch their own blockchain. Rollups and L2s use Celestia as a network for publishing and making transaction data available for anyone to download. For them...