Introduction.- Arguments for Tweakable Block Cipher-Based Cryptorgaphy.- State of the Art of TBC-based Authenticated Encryption.- Rekey-and-Chain: Concepts and Analysis of Lightweight TBC-based Authenticated Encyrption Proposals.- Romulus: Lightweight TBC-Based Authenticated Encryption.- Pushing the limits of the Cost of TBC-based Authenticated Encryption: Remus.- Leakage-Resilient Authenticated Encryption using TBC: TEDT and AET-LR.- Multi-key AEAD Security using TBCs.- Conclusions.