I'm thinking on supporting Path of Exile to get a Beta testing key.
However I want to know whether the account/characters are being wiped after beta.
This is important to determine how much time I should invest on Beta.
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Already found the answer:
This is also shown in the launcher, clarifying the situation a little more:
From this, I believe that the wipe that recently happened during the transition into Open Beta will be the last wipe that is ever made. Those who played Closed Beta still get to keep their character names.