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1

Do the person acting as full nodes have to be active and online around for a particular decided time, like a job where you have to be around your machine because a transaction for verification can pop up anytime and if you are not around what happens then? There's no need. If a full node uses the same rules to decide whether a transaction is valid as you do,...


2

You seem to misunderstand how transaction validation and finality works. Nodes validate transactions as they receive them in the mempool or in new blocks - these validations check for standardness (for mempool txs), and consensus compliance (ensuring there are no double spends, valid utxos, etc). However, a transaction is not final simply because a number ...


4

I found out that SPV has no mempool, but although SPV client is participating in transaction verification. So, what happens when node verifies transaction? Is SPV client checking only owner's outgoing transactions? That depends on what you mean by "verification". SPV clients cannot and do not verify the validity of transactions themselves; they ...


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