An AI-powered app for networking and planning at the Blockchain Expo North America could offer:

1. *Personalized matchmaking*: Connect with relevant attendees, speakers, and sponsors based on interests, industry, and goals.

2. *Smart scheduling*: Plan and organize your itinerary, including sessions, meetings, and networking events.

3. *Real-time updates*: Receive notifications on schedule changes, speaker announcements, and important reminders.

4. *AI-driven recommendations*: Get suggested connections, sessions, and events tailored to your preferences.

5. *Virtual business cards*: Easily share contact information and connect with others on the app.

6. *Chat and messaging*: Engage in discussions with fellow attendees, speakers, and sponsors.

7. *Session and speaker information*: Access detailed information on presentations, workshops, and panels.

8. *Exhibitor and sponsor showcase*: Explore exhibitors' and sponsors' profiles, products, and services.

9. *Interactive maps and navigation*: Navigate the venue with ease using interactive maps and directions.

10. *Post-event follow-up*: Reconnect with connections, view session recordings, and access event materials.

This AI-powered app enhances the networking and planning experience, making it easier to connect, learn, and succeed at the Blockchain Expo North America.