B Mine:
"Give me 100 oranges and for 100 days I will give you an orange every day."
Troll:
"Wait... that's over 300% per year. Wow great investment I will buy shares NOW. So many oranges..."
B Mine:
"100 days later: Ok no more oranges."
Troll:
"Damn I didn't get rich again."
ddalex:
"
Bitcoin mathematics too difficult for trolls 
"
PETA:
"Give me 100 oranges and 100 days later you shall produce juice"
Ateneto:
"Wow great investment I will buy shares NOW. So many juice ..."
PETA:
"100 days later: Sorry, I received only 50 oranges. for you, but you can produce juice now !"
Ateneto:
"Damn ! It is so difficult to produce only 1 miliLitre/day ! And now nobody want buy my juice and oranges ! I didn't get rich again."