I got this answer from NEUCOIN:
When staking amounts like 10000 NEU you'll have much less than one percent chance of minting coins each day. So you could go months without minting coins, and you're not going to get such a compounding advantage as your calculations. You'll also have a lot of uncertainty, if you're unlucky it could be years before you mint coins. The good thing about the growth accounts is you're guaranteed to get coins.
That said I don't like the way the growth accounts work. It would be much better without different time periods. So you could transfer in and out coins when you want, and get paid rewards on a regular bases. Maybe someone else will implement a more user friendly growth account this way.
I'm not sure about what you say/they say. The thing about it is: It could be right that the chance for one person with a small supply of Coins to reach 0.278% per day on average is very small.
But: We speak about a total supply of 3 billion Coins. That is announced as the initial total supply.
In this moment it is: 3,063,413,880
I don't know when exactly they began to stake. I believe it's one or two days before they went public. But it's easy to calculate:
63,413,880 new Coins = 2.1138%
They went live 7 days ago:
http://forum.neucoin.org/t/neucoin-is-live-available-on-exchanges-by-friday/1584We divide it by 7 = 0.302% per day
.................by 8 = 0.264% per day (if they started one day earlier)
And I believe they began one day before they went public, so the daily interest rate will be around that. And in the last hours it was nearly exact what I've said above: 0.278% (22 hours)
If one single person with a small amount won't reach it, but if that will be a constant staking-rate for the total, it's even worse. Because it means, that they have a higher staking rate in average with their billions of premine then the normal User with his 10k NEU.
We'll know that in a few weeks. Then we can calculate it very precise and I'm pretty sure that it'll be around 0.27% per day. And I believe that it's compound interest... and that the inflation per year will be much higher than """just""" 100%.
But either way, they don't know what to do with all the new coins they stake everyday. Because it's a fact that they staked more than 8 Mio new Coins in the last 24 hours if the Block-Explorer is right.