Guild Wars 2

hello, id like to know if the black lion trading company is shared with all the servers or not.
the prerequisite weapon for the legendary weapon might vary per server then, which makes server hopping attractive.
id like to know if the BLTC is shared or not, or maybe partly

It is shared with all the servers.

It is shared, so no need for hopping.

I assume that this is partly done to prevent server hopping (especially with free transfers) and partly to prevent a few players to manipulate the market on their server (which is typically something that gold-farmers do to make lots of money).