Our third annual #Blockchain50 features companies that lead in employing distributed ledger technology and have revenue or a valuation of at least $1 billion
Alibaba spin-off Ant has more than 50 blockchain applications in development on its own blockchain platform, AntChain #Blockchain50 
The world’s largest high-grade nickel and palladium producer, Nornickel, is testing an industrial asset tokenization platform through Connecticut-based startup Atomyze, which it partially owns #Blockchain50
Two years ago, Square started letting users of Cash App, its peer-to-peer money transfer and digital banking service, buy Bitcoin. The app has grown to 30 million active users. In October, Square said it had invested $50 million in Bitcoin #Blockchain50
Walmart's Food Traceability Initiative, which helps it detect food safety issues, now tracks nearly 500 items like fresh leafy greens, coffee, seafood and meat. This year, Walmart will conduct a pilot with U.S. Customs and Border Protection to track imported foods #Blockchain50
See what other companies made this year's list on.forbes.com/6013HdxRx #Blockchain50
Be among the first to know the most important news and information in crypto with this e–letter delivered every Saturday: on.forbes.com/6015HdxRL
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