Cryptocurrency logo concepts

Actively looking for feedback!
Which ones are your favorites and why?

Lots of early logo concepts for NEO Tracker, which is both an online utility for viewing and interacting with information stored on the NEO cryptocurrency blockchain, and also a virtual crypto wallet.

Concepts explored:

• N and NT monograms
• Blockchain technology (blocks, nodes, funds transfer directly between two parties)
• Connectivity
• Digital security
• Data (data transfer, data flow, data streams)
• Analytics (charts and graphs)
• Digital themes
• Financial growth

Check the attachments for bigger views and sketches!