WritingExpository posts on isogeny-based cryptography, and overviews of my papers. 2023 Efficiently detecting $(N,N)$ splittings and the application to the dimension 2 isogeny problem 9 January 2022 Cryptographic Smooth Neighbors 24 October 2021 SuperSolver - accelerating the Delfs-Galbraith algorithm with fast subfield root detection 16 November Trusted Setup with Isogenies 23 January Pseudorandom Functions from Isogenies 5 January 2020 CSIDH 23 December Asiacrypt 2020 11 December SIDH 4 December Vélu's Formulas for SIDH 7 November Isogenies for Cryptography 6 November Elsewhere Learning to SQI: implementing SQIsign in SageMath Blog, 2023