Send me 5 BTC brah, I'll give ya 6 BTC in return. All legit broski, no lies or scamming here!!
WOW so awesome! And if I send 10 BTC do you give me 12 BTC?
Special offer right now, send me 10 and I'll give you 13!!!!!!!!!!!!!!!!!!!!!!!!!!
This is actually pretty comical if the OP was not just hindered by bad english.