Do miners have to validate a transaction and add it to the blockchain before nodes receive the transaction and validate and add it to their copy of the distributed ledger?

Or is there no order? It’s just random to whichever node wether that be a mining node or a normal node receives the transaction first?

submitted by /u/lilxskeet
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from Bitcoin - A Peer to Peer Electronic Cash System https://ift.tt/3jMvz03