តើអ្វីជា BlockChain និង Cryptocurrency (Bitcoin)? What is blockchain and cryptocurrency?

តើអ្វីជា BlockChain និង Cryptocurrency (Bitcoin)? What is blockchain and cryptocurrency?

TimeLine:
00:00 : Intro
01:40 : អ្វីជា Blockchain?
16:54 : អ្វីជា Cryptocurrency (Bitcoin)?

Credit photo: Photo by Roger Brown from Pexels

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