Just to give a brief update:

There is still difficulty in switching to POS; therefore it won't happen.

The only choice now is to continue POW.

It should be fair to have POW reward halving starting from an accelerated relaunch ending in final block rewards of around 0.2 Joincoins after 5-6 halvings.

In any schedules, the halving would be short. We have to end in a fixed reward; otherwise, it will quickly drop to nearly zero. Even at 0.2 Joincoins/block, it is still about equivalent of about 5% annual rate initially.
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Hopefully, with stable prices and mining profitability, more mining pools will come, to improve the all-algo images of the Joincoin.