Excellent, but the point is to make the most secure/cheap solution, he already has a mountain a he could build a room with gigantic 100mt of steel walls with a

Excellent, but the point is to make the most secure/cheap solution, he already has a mountain a he could build a room with gigantic 100mt of steel walls with a piece of paper with the pass on it recorded by 100 webcams on 100 diff connections, or send a 10000 probes. Math for building an idea to hack is so good because ideas and intelligence to build them are so expensive the other parts of the problem look more feasible to hack/fix/try