After finance, blockchain may be used in logistics, food sectors

When his daughter persuaded him to buy a black lightweight suit online, Kan Jianfeng, 61, a cautious dad that he is, raised a host of sharp questions: Is the seller honest? How can he make sure that the product he buys would actually be delivered (and not swapped with a counterfeit, or, worse, not delivered at all)?

Kan's nagging doubts arose because uncertainty sometimes shrouds online shopping, with e-tailers rigging positive ratings, exaggerating products' quality and messing up on deliveries.

To overcome such hassles, blockchain technology will likely be used increasingly in China. For, data, once recorded in a blockchain-based digital ledger or register, cannot be altered, experts said.