They only need to go as far as to obfuscate the market data this was derived from, so they don't have to pay exchange licencing fees.
It doesn't have to have an exponential time complexity on decryption to qualify as 'encryption'. Multiplying by 2 could be considered homomorphic encryption.
You might think encryption means something else and that it's an abuse of the word but unlike the spy novella that you derive this impression from, these guys actually are ex-spies.
It doesn't have to have an exponential time complexity on decryption to qualify as 'encryption'. Multiplying by 2 could be considered homomorphic encryption.
You might think encryption means something else and that it's an abuse of the word but unlike the spy novella that you derive this impression from, these guys actually are ex-spies.