Question: what companies are adopting blockchain?
Answer: BBVA. BBVA is one of the companies with blockchain technology using it for the banking sector. ... 
Intesa Sanpaolo. Banca Intesa Sanpaolo – an Italian banking conglomerate is using blockchain technology for validating trading data. ... 
Barclays. ... 
HSBC. ... 
Visa. ... 
De Beers. ... 
Unilever. ... 
Walmart.