Computer Science for IGCSE & O level - The Internet And Its Uses (Section 12 - No. 17)
In digital currency, what does the term 'cryptography' mean?
The act of verifying transactions
The use of codes to secure digital currencies and transactions
The decentralized ledger technology
The conversion of digital currency into physical form
Explanation
Cryptography is the practice and study of techniques for secure communication in the presence of adversaries.