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Yep! They did for me. The money sent acts as a deposit. Your account is credited with that and they will use it as a pool to upvote your comment ta above the threshold. It says they do it when the comments are a few days old, so it takes a bit, but it's also retroactive. They'll start voting on comments that were made before you sent the money.

Nice, i gave it a tiny try, thanks for the tip!