http://walletdvl5avrmoxk2fwsf5b76zkmbkoo3r6kqeesq5hsgnq7xhbciad.onion/search-engine
So, theoretically your private keys or addresses are vulnerable and numbers of compromise keys have already been listed. Following this logic, is it possible to imagine an agreement or a bill to force the search engines to display all the private keys in a special directory? Probably, central banks and some governments have already thought about this issue in order to bring down the price of bitcoin in a wave of panic.