Sorry, but i know bitcoin since the price is 0.50 cts, i know the system , and for all currency i mine, when i found 1 block, i received many currency, not only %
today someone found a BTC, he received 4 BTC, that true??
if i found 1 ROI, i must be recompense with 120 roi ? that true ?

but i received only the same thing of the other one found a block