Biometric authentication

• Pattern recognition
• False Accept Rate (FAR)
• False Reject Rate (FRR)
• Behavioral biometrics
• Minutiae points
• Robustness
• Distinctiveness
• Enrollment
• Feature Extraction
• Compartmentalization

Blockchain & Bitcoin

• Hash pointer
• Blockchain
• Merkle tree
• Distributed ledger
• User identification
• Addresses
• Transaction
• Inputs
• Output
• Change
• Transaction fee
• Chain score
• Double spending
• Proof of work
• Mining
• Reward
• Competing chains
• Confirmation
• 51% attack