This signup task is legit, just received 0.015 BTC

OP sent 0.005 to buy 0.1 g gold - https://blockchain.info/tx/7ff0899f0dc6191d4a2ac63a1ef1d10a79000f34f60027780912690670ec1a5f

Once bought and confirmed, OP sent 0.01 BTC immediately - https://blockchain.info/tx/0c73bb45874f38cf2de4a06c2366c110b3bbce194f891194e543263395bf4943

Thank you