SINGAPORE (Dec 22): Not unlike the shadowy world of cryptocurrencies, you may need help with your smartphone GPS to locate mining.SG, hidden in the maze of industrial buildings a five-minute walk from Aljunied MRT station.

As the name suggests, the cryptocoins mining farm has rows and rows of mining rigs — basically a desktop computer with much graphics processing power with lots of fans to keep the rigs from overheating.

Instead of buying bitcoin or ethereum on an exchange, or going after...(click on link for full story on theedgesingapore.com)