Media type: E-Article Title: Lecture Notes in Computer Science: Valuable Puzzles for Proofs-of-Work Contributor: Boyd, Colin; Carr, Christopher imprint: Springer International Publishing, 2018 Published in: Lecture Notes in Computer Science Language: Not determined DOI: 10.1007/978-3-030-00305-0_10 ISSN: 1611-3349; 0302-9743 Origination: Footnote: