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We have this formula in POS reward
CoinAge * RewardCoinYear / 365 / COIN
Big inputs will not help you to get higher reward. There is no interest based on number of coins in reward function.
Coin age is important (number of coins will help you to hit more blocks faster, not to earn higher rewards).
Example.
If you will have 1 input = 100 000 BSX. You can hit only one block per day....means only one reward.
But if you will split your 100 000 into 100x 1000 (100 inputs). You can easily hit 100 blocks per day . (reward per block in not reflected by number of coins....only coin age matters)
if the amount of coins wont help you increase your rewards but smaller blocks will then you wont really achieve the stated amounts percentage wise and these APR's should be removed from the title and coin info pages.
What does COIN refer to in that function if not the amount of coins staked?
if you can't get pos to work at the APR you'd like with large inputs why not just implement a static block reward instead?
I believe you did not follow anything at all, they changed how staking works in this latest fork, large amount of coins you have in total will hit POS blocks faster, while multiple small inputs for one address at around 1000 BSX each give you exact % interest per year aka better rewards.
There is nothing for you to remove, devs. Nothing's wrong, don't listen to trolls.