Why we need confirmation signatures in Plasma MVP?

[m0t0k1ch1]

I had the same question too. I think the following thread is very helpful for understanding confirm sig.

Why do/don't we need two phase sends plus confirmation

Hi ethresear.chers! These days, I’m reading Plasma and Plasma Cash. I saw the transaction on Plasma chain is complicating. Let’s assume a transaction A->B. Correct me if I’m wrong. On Plasma, the process should be: A makes transaction and send to operator. Operator makes a block including above transaction and update on parent chain. A is waiting for the information to be included in Root chain After that, A signs and sends to B B signs and the transaction is confirmed I’m wondering why A sh…