@InProceedings{Melnyk2020append, author= {Darya Melnyk and Roger Wattenhofer}, title= {{The Append Memory Model: Why BlockDAGs Excel Blockchains}}, booktitle= {{32nd ACM Symposium on Parallelism in Algorithms and Architectures (SPAA), Philadelphia, Pennsylvania, USA}}, month= {July}, year= {2020}, }