Cold calls in Hong Kong are a perennial problem. Photo: Xiaomei Chen

India leads with use of blockchain to curb spam calls. Will Hong Kong follow?

Paul Ulrich says the technology allows multiple untrusting parties to access the same database in near-real time, bringing the advantages of speed and privacy protection. Such a decentralised approach to setting up a do-not-call registry may prove a better solution to the problem of unwanted calls

Topic |   Blockchain

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Cold calls in Hong Kong are a perennial problem. Photo: Xiaomei Chen
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