1. SoK
2. Dan Boneh, Joseph Bonneau, Benedikt Bünz, and Ben Fisch. 2018. Verifiable delay functions. In Annual international cryptology conference. Springer, 757–788.
3. Why Buy When You Can Rent?
4. Christian Cachin and Marko Vukolić. 2017. Blockchain consensus protocols in the wild. arXiv preprint arXiv:1707.01873 (2017).
5. Francesco D’Amato, Joachim Neu, Ertem Nusret Tas, and David Tse. 2022. Goldfish: No More Attacks on Proof-of-Stake Ethereum. Cryptology ePrint Archive (2022).