Systems & Data Security

• Bitcoin, Ethereum, Hyperledger Fabric, Indy.
• Permissioned vs permissionless, private vs public blockchains.
• Consensus mechanisms, smart contracts, non-fungible tokens (NFTs).
• Performance issues related to speed and data size.

IT security plans, cybersecurity, attacks and defenses.

• Elementary transaction issues.
• Conceptual and logical models for elementary and complex transactions.
• Cooperation agreements, Validation Authorities, transaction observation and tracking.
• Validation rules and access rules.

• Random number generators.
• Symmetric and asymmetric cryptographic algorithms.
• Blum numbers and ciphering.
• Modular arithmetic, secure key exchange.
• SSL and HTTPS protocols.

• The AAAA model and its evolutions.
• Authentication vs authorization.
• Multilevel and multi-organization access management.
• Identity token architectures and related issues.
• Identity chain management and construction.