about this:
The maximum staking weight is reached after 90 days. PoS rate is approximately 6% per year and the reward for minting a block is based on and fluctuates in accordance with the coin age.

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When I receive a reward in the coin control area, two entries appear.
(1) xxxx emc
(2) yyyy emc

I have noticed that if I keep on minting other 30d I receive less reward.
I tried to self-send the (1) + (2) to my wallet (with fee) and put it together in a single entry (1) and I've seen that I receive more rewards. But I lose coin age maturity (and fee) and I start the 30 days again.

Is there any way to optimize this situation? Thx