Celestia was founded by mustapho bassam, john adler and nick why t is r c o. The team aims to solve the problem that celestia aims to solve, and that is data availability. Si won't give a formal definition, but rather an example. I think tha state, for instance, is a count balances. It's likea something that everyone can easily understand, rightly, give account balances. And these account balances are merclized into a mercatree, and that gives you the so called state root,. And state transitions are transactions that modify that state. Like princes move tokens or coins from one account to the other. So one account