Within the Learning Material of over 100 open source slides created for Courses, Tutorials and Workshops within Cryptography the authors address topics like: Asymmetric & Symmetric Encryption; Third Epoch of Cryptography: No Key Transport - instead: Derived Keys; Caesura in Cryptography: Juggernaut and Secret Stream Keys; Ciphers & Algorithms & Multi-Encryption: e.g. McEliece & NTRU; Else to know: RNG, MAC, OTP, GNUPG, PKI, Hash, Signatures, GoldBugs, EPKS, SMP; End-to-End Encryption: Instant Perfect Forward Secrecy (IPFS); Cryptographic Calling: e.g. Two-Way-Calling, Repleo, EPKS, AutoCrypt; Volatile Encryption & Exponential Encryption; Cryptographic Discovery & Cryptographic Tokens; Echo Protocol & Graph Theory; POPTASTIC Protocol: Chat over POP3/IMAP; Spot-On Encryption Suite as elaborated Software for Learning & Tutorials; Quantum Computing and Cryptography; Frameworks & Libraries: e.g. McNoodle McEliece library (C++); Tools: POPTASTIC Delta Chat, Smoke McEliece Java Messenger, et al.; Trends on Crypto Messaging & Open Source Cryptography; Encryption of the Hard Disc, Text and Files, P2P Networks; Trusted Execution Environments (TEE) & SAM Architecture; National Sovereignty of cryptographic projects and open source worldwide contributions.