NBX 90s/00s Official Afterparty takes place on March 25 in Warsaw as an exclusive event for ticket holders of Next Block Expo. The themed afterparty centers on music and culture from the late 1990s and early 2000s. The evening features a Y2K-inspired setting and a playlist spanning pop, R&B, rap, and boyband hits from the era. Attendees are encouraged to dress in 90s and early-2000s styles.