Covert Learning: How to Learn with an Untrusted Intermediary -- Random-Index PIR and Applications -- Forward Secret Encrypted RAM: Lower Bounds and Applications -- Laconic Private Set Intersection and Applications -- Amortizing Rate-1 OT and Applications to PIR and PSI -- Ring-based Identity Based Encryption { Asymptotically Shorter MPK and Tighter Security -- Cryptographic Shallots: A Formal Treatment of Repliable Onion Encryption -- Grafting Key Trees: Efficient Key Management for Overlapping Groups -- Updatable Public Key Encryption in the Standard Model -- Towards Tight Adaptive Security of Non-Interactive Key Exchange -- On the Impossibility of Purely Algebraic Signatures -- Policy-Compliant Signatures -- Simple and Efficient Batch Verification Techniques for Verifiable Delay Functions -- Non-Malleable Vector Commitments via Local Equivocability -- Non-Malleable Time-Lock Puzzles and Applications -- Vector and Functional Commitments from Lattices.-.