The data shows that the total number of blockchains mentioned in the blockchain concept stocks in 2019 is almost the same as last year's semi-annual report.

Babbitt searched for the “blockchain” keywords in the financial statements of 118 blockchain concept stocks. It was found that in the semi-annual report of 2018, 118 companies mentioned the total number of blockchains in 368 times, and in 2019. The number of times mentioned in the semi-annual report was 360, and the total number did not change much.