as far as I can remember the mining reward was much smaller in v2, there was no incentive for miners to update so a group didn't. Someone at Banx must have noticed the overmining and instead of a rollback, created a new chain and transferred value to it. I guess a couple of exchanges didn't want to switch (since they were stuck with the 'overmined' shares).
Look, I've just gone over the entire history of the coin in this topic. There was no mention of overmining when the network was forked, because there was no mining at all.
Besides, they wouldn't be able to reject "the overmined shares" with the coin swap they did. They accepted all coins sent to Banx.io before the switchover, and they rejected all coins that weren't sent by the cutoff. In fact, they rejected the shares that Mark himself deposited into other exchanges - he didn't even bother to send them back to himself, because they were worthless.
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2. Banx purchased Atomic-Trade (renaming it Banx.io) and released the new BANXShares (a PoS coin) at about the same time.
Banx.io was already running before they purchased Atomic Trade, and BanxShares isn't a PoS coin. You have to leave your coins at Banx.io in order to get the monthly dividend payment.
The Atomic-Trade purchase was announced February 14, 2015, which is the next day after that big BTC transfer I noted from the Banx.io wallet.
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(and they don't have to tell us if banxshares aren't actually shares of the company but shares of the profits, as is claimed)
But they did tell us:
Do I understand right that banx coins are actually banx shares of company?
yes banx shares are a share in the Banx capital company
