The following publications are possibly variants of this publication:
- Securing Proof-of-Work Ledgers via CheckpointingDimitris Karakostas, Aggelos Kiayias. iacr, 2020:173, 2020. [doi]
- Ofelimos: Combinatorial Optimization via Proof-of-Useful-Work - A Provably Secure Blockchain ProtocolMatthias Fitzi, Aggelos Kiayias, Giorgos Panagiotakos, Alexander Russell. crypto 2022: 339-369 [doi]
- Ofelimos: Combinatorial Optimization via Proof-of-Useful-Work \\ A Provably Secure Blockchain ProtocolMatthias Fitzi, Aggelos Kiayias, Giorgos Panagiotakos, Alexander Russell. iacr, 2021:1379, 2021. [doi]