A Resilient Leader Election Algorithm Using Aggregate Computing Blocks⁎Supported by the Defense Advanced Research Projects Agency (DARPA) under Contract No. HR001117C0049. The views, opinions, and/or findings expressed are those of the author(s) and should not be interpreted as representing the official views or policies of the Department of Defense or the U.S. Government. This document does not contain technology or technical data controlled under either U.S. International Traffic in Arms Regulation or U.S. Export Administration Regulations. Approved for public release, distribution unlimited (DARPA DISTAR case 32200, 10/31/19). Mo was also partially supported by the Australian Research Council under grant DP190100887 and DP160104500. Issue 2 (2020)