Quantum Computers ka Darr Badh Gaya Hai!
Pehle lagta tha ki Bitcoin ki security todne ke liye bohot bade quantum computers chahiye honge, shayad 500,000 qubits wale. Lekin ab reports keh rahi hain ki usse kam qubits mein bhi kaam ho sakta hai. Yeh news tab aa rahi hai jab crypto market waise hi upar-neeche ho raha hai. Bitcoin ka market cap ab $1.33 trillion ke aas-paas hai, aur total crypto market ka 58.22% yeh dominate kar raha hai, jo $2.34 trillion hai. Mana ja raha hai ki log is quantum risk ko abhi seriously nahi le rahe hain.
Taproot Ne Khol Diya Funda?
Bitcoin mein 2021 mein jo Taproot upgrade aaya tha, woh privacy ke liye tha, par ab uski wajah se hi problem ho rahi hai. Is upgrade ke baad, transactions mein public keys dikh sakte hain, jisse quantum attackers ko fayda ho sakta hai. Ab tak lagbhag 6.9 million Bitcoin, yani total supply ka ek tihaai hissa, aise wallets mein hai jahan public keys Taproot ya address reuse ki wajah se exposed hain. Yeh numbers pehle ke andaazon se zyada hain. Matlab, ek badi quantity mein Bitcoin quantum attack ka target ban sakte hain.
Kitna Khatra Hai Sach Mein?
Alag-alag experts alag-alag numbers de rahe hain. Kuch keh rahe hain ki 4 million BTC (supply ka 25%) risk mein hai, jabki kuch 7 million BTC (supply ka 33%) tak bol rahe hain. Yeh sab vulnerable address types jaise P2PK aur P2PKH mein hain. Ab sawal yeh hai ki yeh attack kab ho sakta hai? Kuch experts kehte hain ki Bitcoin ke paas 7 saal hain defense strong karne ke liye, jabki kuch 10 se 20 saal bol rahe hain, aur pakke quantum computers mid-2030s tak aa sakte hain. Par kuch log toh keh rahe hain ki 'Q-Day' (jab cryptography break ho jayegi) 5 se 7 saal mein aa sakta hai!
Investors Bhaag Rahe Hain?
Is threat ki wajah se kuch bade investors Bitcoin se door ja rahe hain. Jaise ki, Jefferies ke Global Head of Equity Strategy, Christopher Wood ne apne portfolio se Bitcoin hata diya hai. Woh ise ek 'existential threat' maante hain aur gold mein paisa laga rahe hain. Bitcoin ki value hi isliye hai kyunki use secure mana jata hai. Agar security hi break ho gayi toh is store-of-value claim par sawal uthega. Plus, agar purane compromised wallets market mein wapas aaye toh scarcity kam ho jayegi.
Aage Ka Rasta Kya Hai?
Abhi is quantum threat ko rokne ke liye kaam chal raha hai. NIST post-quantum cryptography (PQC) standards bana raha hai, aur BIP 360 jaise proposals se quantum-resistant addresses lane ki koshish ho rahi hai. Ethereum bhi upgrades kar raha hai. Par yeh sab karna bohot complex aur mehenga hai. Har kisi ka agreement hona aur secure tarike se upgrade karna ek bohot lambi process hai, jisme assets vulnerable reh sakte hain.