Doesn't a lottery nullify bots???
I like the lottery concept; seems fairest.
Lottery open for x number of days before drawing winners ... everyone can get their entry submitted, doesn't matter what time it is, where you are in the world, what you're work schedule is, or if technology is functioning or not (which it frequently isn't) ... so, easy peasy!!! (Side note: We are becoming the Borg, if you watch Star Trek Next Gen you will know what I am talking about and what we become when our technology fails and we have to function as individuals without it ... really doesn't have anything to do with the lottery but a staggering concept that will inevitably become our reality
Set a limit of one entry per name/or address/or credit card number ... if any of these are duplicated with an entry then the entry is nullified.
OK, I understand some people have multiple credit cards, relatives, or aliases. So, let's take a look at this:
Statistically speaking one entry or three entries is not going to increase your odds of winning!!!! But, that can't be soooo....
Let's assume 1000 entries and 300 knives available ... 300/1000 = .30 or 30% of entrants will be winners.
Now, worst case scenario is you have one or three entries at the start of the drawing: 1/1000 = .001 chance of winning, which is less than 1%; you have 3 entries 3/1000 = .003 chance of winning, which is less than 1%.
Now, best case scenario, 299 entries have been drawn and you were not one of them. There are now 701 entries left and one last knife (oooohhh pick me, pick me you prey): you have one entry 1/701 = .001 chance of winning, which is less than 1%; you have three entries 3/701 = .004 chance of winning, which is less than 1%.
I'm certain some don't like this approach, but again seems fairest to me... you???