Is it decentralized? Not in the least.
Is is a blockchain? According to the definition you posted, it is not. However, this is not the first time we see that databases are called blockchain which brings up the question as stated here.
Is what IBM and JPM blockchain? They claim that it is but we have to wonder.
The question to me is can data be changed or is it immutable? If there is no transparency, how do we know about immutability?
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relevant good laugh
Posted Using LeoFinance Beta