The entire major fiasco which everyone knows about came about because bonus chests, which look and act exactly identical to one another, actually are a wide range of very distinct items. This resulted in a very large amount of confusion, and in fact most players still don't know how it works.My suggestion is simple. Change bonus chests so, upon using them, they open a chest GUI with the actual item displayed, similar to the GUI for /promo, instead of the standard confirmation screen you see now. The GUI would work exactly the same way as /promo, allowing players to preview the item and grab it if they so chose.I feel this solves every present issue. Bonus chests are no longer hidden. Nobody can be scammed because everyone knows what they are getting. As a result, trading bonus chests would no longer violating rule 4, and could be allowed. Bonus chests could freely be used for future events, without having to worry about new players not knowing the rules, with the contents changed to still allow for some bonus chests that are unique collectors items from the 300k event.The only potential downside I can see is that this takes the fun out of not knowing, however I would argue that if not knowing is desired for a future event, you use an item which is random at the point of being opened. (Something like what NetherSpecter suggested below.) Relying on having the two items simply look similar is not a good way to accomplish this.