Using a generated pagename as a key. You create a cms. You store each page with a 16 character name as the key and you use that as the url/pagename. What abo

Using a generated pagename as a key. You create a cms. You store each page with a 16 character name as the key and you use that as the url/pagename. What about storing the ip for login attempts. You store the ip and date and use that information to rate limit. The ip is the primary id. Password reset, you store the unique code you sent in the email as the key. Country codes. The 2 or 3 short name makes as a key over a number if you want to limit joins. Bitcoin key. Anything token, key related, anywhere where you want to enforce no duplicates like a ssn.