To create our second annual list of big companies innovating with blockchain technology, we vetted hundreds of nomination­s. The best are leveraging the tech underlying cryptocurr­encies like bitcoin to speed operations and increase transparen­cy. Five of the most intriguing are listed below,

with their underlying blockchain­s. The full 50 are at­50.


China’s search giant has numerous blockchain ventures, including a canine version of Cryptokitt­ies, which enables millions of Chinese to adopt and trade cute digital puppies, each distinct, that “live” on the blockchain. Another service offers student loans, but funds are disbursed only after the technology is used to verify grades. Baidu uses a popular open-source blockchain originally developed by IBM. UNDERLYING TECHNOLOGY: Hyperledge­r fabric


The end of blood diamonds? De Beers’ new software, Tracr, follows diamonds, which have undergone 3D scans, as the gems are mined, cut, polished and sold. Already more than 30 participan­ts, including Signet Jewelers—owner of Kay, Zales and Jared—have signed on. Tens of thousands of stones are being registered per month. BLOCKCHAIN: Ethereum


The iPhone maker’s trade-finance venture, Chained Finance, pays more than 20 electronic­s suppliers using digital coins minted on the ethereum blockchain. The result: Financing costs have plummeted from annual percentage rates as high as 24% to 10%, and the time needed to get funding has been cut from seven days to same-day. Foxconn uses ethereum’s blockchain, famous for innovating so-called smart contracts, which automate financial transactio­ns. BLOCKCHAIN: Ethereum


In the third quarter of 2019, Square generated $148 million in revenue from fees charged to users who paid with bitcoin. Just revealed: a service that lets people instantly send and receive crypto payments. BLOCKCHAIN: Bitcoin


The 75-year-old organizati­on connecting 193 countries has numerous blockchain initiative­s. To combat warlords who steal aid using pilfered ID cards, the U.N. recently disbursed funds to 100,000 Syrian refugees in Jordan, using blockchain-verified iris scans instead of ID cards. BLOCKCHAIN: Ethereum, bitcoin

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