Meet the millennials making big money riding China's bitcoin wave

The cryptocurrency may have no physical form but the returns from trading it can be very real - and for some they're worth giving up your job for

On a sunny afternoon in west Beijing, on the auspicious eighth floor of a nondescript concrete high-rise, Huai Yang sits with the curtains drawn in his apartment, making his own luck.

For the past six months, 27-year-old Yang has worked mainly from home, mainly from his sofa, tracking and trading bitcoin, and watching the money roll in. The flat itself is modestly sized; Yang moved in in his pre-bitcoin days when he worked variously for a crowdfunder start-up, a branding consultancy and dabbled in hedge-fund management, all of which he describes as "creative financial work". Now, though, his main focus is bitcoin, which is "much younger, more fun, and much more money". Yang claims to make up to 1m yuan (116,000) a month, under the radar of the taxman, purely from trading the online cryptocurrency.