blockchain technology kya hai ? Blockchain technology ek modern digital ledger (bahi-khata) hai jo transactions ko secure aur transparent banata hai. Isse “Decentralized” technology kaha jata hai kyunki iska koi ek maalik nahi hota, balki ye hazaro computers ke network par chalta hai.
Blockchain ki Khaas Baatein
- Transparency: Isme maujood saara data koi bhi dekh sakta hai, isliye ise jhuthlana mushkil hai.
- Security: Isme data ko hack karna ya badalna lagbhag namumkin hai kyunki ye encryption ka upyog karta hai.
- No Intermediaries: Isme kisi bank ya teesre bande (middleman) ki zaroorat nahi hoti, transactions seedhe do logo ke beech hote hain.
Iska Upyog Kahan Hota Hai?
- Cryptocurrency: Bitcoin aur Ethereum jaise coins blockchain par hi aadharit hain.
- Smart Contracts: Bina kisi vakeel ke digital agreements karne ke liye.
- Supply Chain: Maal (products) kahan se aa raha hai aur kahan ja raha hai, iska track rakhne ke liye.
Blockchain Kaise Kaam Karta Hai?
- Blocks: Har transaction ka data ek “block” mein store hota hai.
- Chain: Jab ek block bhar jata hai, to wo pichle block se jud jata hai, jisse ek lambi “chain” banti hai.
- Hashing: Har block ka apna ek unique code hota hai (jise Hash kehte hain). Agar koi ek block ke saath chhed-chhad karega, to poori chain invalid ho jayegi.
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