nope, Danoes ahead of time said server wipe before you started playing. You agreed once you logged in and you knew all your progress would be lost.
That's it, stop trying hard to be feeling special by receiving something just from playing Alpha in order to satisfy your ego.
Also i'm sorry but not ALL players in alpha deserve a "bonus", see there are many players who actually know what an alpha is about, and they are usefull.
But there are the others who, when they find a bug don't even take their time to report it, instead complain in game about it, or those who sit at plat all day, already making their final builds and all instead of testings spells and such, and the list goes on.
Tell me how some useless guy who never report anything, then makes "suggestions" threads on the forum etc should get rewarded the same way as someone who tries his best to report the bugs he encounters and takes his time to help the alpha phase of the server ?
You want a reward for playing alpha ? you already have it, it's the experience you're getting, and also the Beta server.