In blockchain technology, what links new blocks to the existing chain? By Kalsoom Tahir ✅ Fact Checked 📊 Difficulty Hard 📅 Last Updated 13 Aug 2026 A. Hash function B. Data tunneling C. Encryption loop D. Mining pool Check Answer 💡 Explanation: A cryptographic hash function creates a unique code linking each new block to the previous one, ensuring the chain's integrity. 📚 Topics: Emerging Technologies Technology and Computing 🎯 Exams: CSS GEN NTS PMS
