1. The network will be reliant on these PoS transactions when it goes entirely PoS in a couple of days.
2. If you dont have the coins on your local wallet you either arent generating stake that is applied to your balance, or you arent staking at all depending on the exchange your coins are on.
I'll transfer them to my wallet before then...-thumbsup-
And then you will need to wait 3 days for the coins to sufficiently age to be eligible for stake.