@inproceedings {272294, author = {Lukas Aumayr and Pedro Moreno-Sanchez and Aniket Kate and Matteo Maffei}, title = {Blitz: Secure {Multi-Hop} Payments Without {Two-Phase} Commits}, booktitle = {30th USENIX Security Symposium (USENIX Security 21)}, year = {2021}, isbn = {978-1-939133-24-3}, pages = {4043--4060}, url = {https://www.usenix.org/conference/usenixsecurity21/presentation/aumayr}, publisher = {USENIX Association}, month = aug }