Jeez this game is so complicated now. I don't know what you guys are taking about! I used to play when it was T1 T2 missions etc.
Frizby i might do some trades when i have more time. Tried to sell boltor prime full set yesterday. No takers whatsoever :/
Since you played, they've replaced a bunch of systems (damage, parkour, melee etc) and the latest is replacing the void. It's not nearly as complicated as it sounds, and it adds some variety to farming while (imo) decreasing the grind.
Edit with brief explanation:
1. Instead of the void, prime part missions are called "fissures" and they work sort of like alerts apprearing on random planets/tilesets
2. Instead of keys, you use relics, and all of your former keys have been converted. Anyone can access a fissure, but if you want a reward, you have to bring a relic.
3. At the end of the mission, anyone who brought a relic can pick from any of the (up to) four different relic rewards on your squad
4. Like keys, the relics are fixed at scaling difficulty levels (T1 = Lith, T2 = Meso, T3 = Neo, T4 = Axi)
5. Unlike keys, which had changing drop tables based on updates, relics have fixed drop tables forever, and you can view the drop tables in your ship.
6. Those drop tables can be manipulated to make rares more likely by refining the relic with void traces (which you get for every fissure you run). Radiant is the highest level of refinement.
7. Gathering 4 players with the same radiant relic gives the squad a ~34% chance at somebody getting the rare part on that relic's drop table.
No rush or worries on trades. Boltor isn't in super high demand for whatever reason, and it's always best if you can post a list of 5 or 6 sets to cast a wider net. Complicated offer below stands, or if you want to just sell me a few things, I'd buy your Ember BPs for 300 each (as many as you want to sell), your two frost parts for 350, and I'd give you a Loki set for a Reaper BP.