Border walls have been in our minds for the last couple of years thanks to President Trump’s promise that he would build one and that Mexico would pay for it. But there are other walls, which in their ephemerality and inconsistency are also at play in the contemporary experience of ethnicity and immigration in the United States. In this talk, Dr. Amaya explores the digital architecture of the internet as it constitutes new forms of intersubjectivity and perplexing displays of ethnic and nationalistic hate that often rely on different gradations of anonymity.