Eden is a long term civilization style SMP where the whole world is built and run by players.
There are no world resets and admins stay out of the way most of the time. There are no protected towns and no pre built areas. If you see a road or a city or a farm it is because some group of players planned it and built it and now has to defend it.
Players make their own nations and cities. They decide who leads them and how laws work and what happens to criminals. Alliances rise and fall and different governments get tested when there is pressure or war.
The server uses reinforced blocks so bases and vaults are hard to raid and take real effort to break. Crops are regional so some only grow in certain biomes and ores spawn as you mine so tools and location matter. Some resources are locked to certain regions so people need trade and good logistics.
There are snitch style blocks that track activity for security and investigations. There is also a system where players can capture other players and imprison them in the Nether as a way to punish crimes or use pressure during conflicts.
Right now the map is fresh and shops and towns are just starting to appear. The player count is already decent and the whole world feels like it is at the beginning of something big.

