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RE: Steemit Crypto Academy Contest / S2W3 - Blockchain in our lives. by @shylock2002
You have said It correctly. Blockchain is the fastest growing technology since it's inception in 2009..it has had tremendous impact in our lives.
You have rightly mentioned the advantages and disadvantages of Blockchain. The disadvantage of irreversible transaction id both a good and a bad one.
I can also see medical chain is widely used because alot of people are writing about it and it is very good too .
Good luck in the contest