are all nodes validate each transaction added in a new block?
Because what if someone said I have completed block and added invalid transaction? and if others node just accepts a block without validating a transaction.
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Because what if someone said I have completed block and added invalid transaction? and if others node just accepts a block without validating a transaction.
are all nodes validate each transaction added in a new block?
Yes, each full node checks each transaction and block to make sure they are valid according to the network rules.