Because it does not hold historic blocks. And you can only verify the integrity of the chain, the transactions, the state, and balances, if you have access to all historic block data. That is available in Configurations 00-06, and partially in 08, but not in 07.
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Because it does not hold historic blocks. And you can only verify the integrity of the chain, the transactions, the state, and balances, if you have access to all historic block data. That is available in Configurations 00-06, and partially in 08, but not in 07.