What is Blockchain video? | Emerging Trends in Technology 2020 | #shortvideo #shorts #rajeevanand

I just want to know more about Blockchain. What is it and yes know the details of working on this technology.
what is the career growth opportunity in this? Please guide me as well, if you heard about Blockchain?
#whatisblockchain @Blockchain Dream @PRO BLOCKCHAIN @Blockchain Backer @Blockchain.io


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