NFT fever hit all-time highs with sales of $ 2.5 billion so far in 2021 Posted byEntrepreneur en Español July 8, 2021 Leave a comment on NFT fever hit all-time highs with sales of $ 2.5 billion so far in 2021 NFT sales soared more than 18,000% in the first half of 2021 and in June alone, non-fungible tokens generated $ 150 million, eleven times more than in the first six months of last year.