Jtdylktuy

up vote 4 down vote favorite 1 I've been reading on light node and many have pointed out that the light node doesn't have the full blockchain and is riskier because they can't verify the transactions fully. First, we can verify or validate the transaction on the website. I don't understand why do we need a full blockchain if we are not mining. Second, doesn't miner verify the transactions before including into the block? In addition to that, the process of validating the block served like a double validation? Third, when the block is added to the network, isn't it a third validation? Forth, when the block has several more confirmations, isn't that a forth validation? In this case, why do we need a full ledger? After a certain time lapse, many of the preceding blocks are seem redundant. A light