The bitcoin gold BTG Lead Developer:h4x3rotab found out to be a 24y script kid hacker who cracked and sold weak user passwords on a fourm without captcha enabled.

Details in Chinese: https://steemit.com/cn/@quantum-bug/btg-h4x3rotab

His profile photo on a online dating site: https://image.ibb.co/fhcoO6/n_s11850371342093335.jpg

So now it can be 100% confirmed that bitcoin gold BTG is a completely & purely Chinese pre-mined ico scam.