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Blockchain is transforming one of the world’s oldest professions

Hong Kong based jeweller Chow Tai Fook says the blockchain can help stem trade in precious stones used to fund civil conflict in Africa, in addition to other uses in the jewellery business

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Buyers of gemstones will be able to trace their journey from origin thorough fabrication and the retail supply chain, helping to reduce fraud and the use of ‘blood diamonds’ sourced from Africa. Photo: Nora Tam
Andrew Barclay

Blockchain, the technology that promises to revolutionise the world of currency, has a new target in its sight: the jewellery business.

The industry, one of the oldest in existence, is looking to the blockchain to resolve issues ranging from insurance to helping customers ascertain the origin and authenticity of gemstones.

“In the jewellery business, trust is so important,” said Jade Lee, deputy general manager at Chow Tai Fook at the Hong Kong Fintech Week. “We are exploring the technology to see how we can put important information into the ledger.”

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Lee said the blockchain can be used to help stem the trade in blood diamonds, the term for gemstones that are illicitly sourced from conflict areas in Africa, and widely regarded as one of the biggest reputational challenges to the industry. The blockchain can help reduce trade in illicit diamonds by removing the reliance on paper certificates that can easily be tampered or forged.

“You can make sure the whole supply chain – each individual stone – can be matched to the diamonds we sell,” Lee said, referring to the use of blockchain.

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Blockchain’s ability to counter fraud has sparked interest from other fields, including banks and open marketplaces, thanks to its decentralised database which must approve a transaction before it can be recorded.

Leonardo DiCaprio starred in the 2006 film Blood Diamonds. Photo: HANDOUT
Leonardo DiCaprio starred in the 2006 film Blood Diamonds. Photo: HANDOUT
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