Digital coins making bitcoin's rally appear tame

Madrid

FORGET US stocks and emerging-market assets, even ignore bitcoin. Those brave enough to invest in the Wild West of tech are the ones making a killing.

While the record-breaking rally in bitcoin has captivated markets, demand for other digital coins is surging as companies raise millions in minutes, or even seconds, from investors wanting in on the next big tech startup.

Last week, it took 30 seconds for Mozilla co-founder Brendan Eich to issue about US$35 million of basic attention token, the unit of exchange in a blockchain-based advertising platform built on top of the company's Brave browser.

Digital tokens tied to the blockchain platform issued this year have more th…