Day 75: Merkle's puzzles. Merkle's puzzles present very nice… | by Tomáš Bouda | 100 days of algorithms | Medium
Marcus Brinkmann on Twitter: "We get an introduction to fine-grained crypto. Classical OWF is polytime and inversion is superpoly. A FC OWF is O(n^c) for evaluation and Omega(n^(c+d)) for inversion by attacker.