I'm on lvl 2, completed all quests disponible and now the only way to upgrade levels is on the CyberSpace, but I think it takes too much time. We spend a lot of Bandwidth per click and earn about 1-3 experience sometimes, not too often...
I need about 600 exp to upgrade, it will take a lot of time. Would be nice if you add more quests, it's very helpful, and if possible, a suggestion I let here is achievements, like: interact with X amount of Database, Server, Cloud... Use X energies, Use X Bandwidths... Always with a reward involved.
There are several ways to get XP faster than just interacting in cyberspace. There are tutorials in marketplace which will give you 10-20-50 XP points, then you can find morphs(i have found 2 yesterday) they are giving 200XP 500NBT and 500satoshi.
Honestly, we need more missions here.
EDIT* And it would be nice if we could find items and sell them on market with all classes without upgrade(if upgrade is needed).