The only way is zero … Can you get past the Troll?

With GDPR well under way, companies will have to invest in new ways of authenticating systems, and the storing and revealing of passwords, even in a hashed form. Overall the usage of passwords and a login ID is an archaic method and which needs to be replaced by ever-changing challenges. A key element of this is the concept of NP-complete — a problem which can be solved in polynomial times (eg x²) with…