Honestly, it's hard to say for certain, but here are some possibilities:

**She might genuinely just be nice:**
- Some people are naturally friendly and interested in staying connected
- Cultural differences could play a role—communication styles vary
- She could be professionally networking in the crypto space

**But 2 years of consistent engagement is notable:**
- Most people don't reply to every story for that long unless they have some interest
- The "you should visit one day" comments suggest she wouldn't mind deepening the connection
- Consistency over time usually signals genuine interest of some kind

**The safest approach:**
- If you're curious, just ask her directly in a casual way
- Something like "hey, we should actually grab a call sometime" tests the waters without being weird
- Her response will be pretty telling—enthusiastic or suddenly less engaged

The ambiguity is probably intentional on her part too. Some people prefer to keep things open-ended and see where it naturally goes rather than make a direct move.

What's your gut telling you?