Moderate difficulty suitable for most players
Cryptographic Channels in Mobile Finance
Challenging puzzle for experienced crossword solvers
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Across
- 1. Immutable record keeper at blockchain's core for financial data
- 2. Authentication via unique physiological identifiers beyond mere passwords
- 3. Short-range communication that lets you tap to remit funds instantly
- 4. Security protocol demanding multiple proofs before granting access
Down
- 5. Replacing sensitive data to safeguard digital transactions covertly
- 6. Process of converting plain text into cipher to resist prying
Similar Crossword Puzzles
- Moderate difficulty suitable for most players