What is Cryptocurrency? What are Bitcoin and Alt Coins?

aaj ki video me hum jaaenge ki crypto currency hoti kya hai? isi se jude kuchh aur saval jaise ki

Bitcoin ke baad aur crypto kyun bnayi gayin?
Crypto coin aur crypto token me kya antar hota hai?
Aur Alt coin kya hote hain aur wo bitcoin se kaise alag hain?.

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