A witness is a proof of correct state axs spasically. In order to send you aneath one block, like us, who can you tell me if it's valid or not? Yeu would need to have this whole tense of gigabyts ermsifium state, otherwise you can't see it. And beseke with statelessness. What happens as we add these witnesses, these proofs that everything in this block had a certain state, and this was applied correctly,. We add that to the blocks, and then i can send you this block, and without knowing anything else, just by like, putting it in a piece of soft ware.

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