From: https://hope.net

HOPE (Hackers On Planet Earth) is a series of hacker conferences organized by 2600 Magazine, held since 1994 in New York City. The conference brings together hackers, technologists, activists, and artists to explore topics spanning security, privacy, free speech, and the social impact of technology. HOPE features talks, workshops, and hands-on activities, and is one of the longest-running hacker conferences in the United States.