Almost nothing.
At least that's my return on the 15000 WTT tokens I hold there.
They offered a buy back at $1 per token after stealing my S9 rigs.

The guys from Giga-watt cannot be trusted.

Zeev Kirsh <zeev@cryptonomos.com>
Dave Carlson <dave@giga-watt.com> (hides in Dubai)
Anton Orlov <AO@giga-watt.com>
Sinden Harum <sinden@giga-watt.com>
Hayden Gill <hayden@gigawatt.sg>
Tyler James <tyler@giga-watt.com>
Heather Mulhall <heather@giga-watt.com>
Timur Usmanov <tim.usmanoff@gmail.com>