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I don't think that's true. Clients just need the latest block (and a few blocks after) to verify that a transaction has gone through, only nodes (which are mean

I don't think that's true. Clients just need the latest block (and a few blocks after) to verify that a transaction has gone through, only nodes (which are meant to be quite computationally powerful) need the whole block chain.

eof 15y ago
Clients need to download and verify the entire block chain; but they don't need to store the whole thing.