Thou'rt new, so thee have yet to see all this place has to offer -- in the very district in which we sit there is a rather unusual site for a city with no need for currency: a bank. Just last month, we found that there were keys with our names upon them, though I do not know if that is the case for those who have just arrived, such as thyself.

[ spoilers: it is not the case. according the locations, you guys are free to just pick a key and use whatever box there is. no names on them. don slips a hand into her blouse to pull out a thin, brown piece of twine from it, on the end being a key that in fact has her name upon the end of it. ]

If curiosity got the better of thee, and thus sought the box which the key would open, then one would find... something of import, it would seem. According to an ally of mine, touching it would cause one to experience memories in relation, I believe, to whatever the item was. I have not opened mine, nor do I intend to 'til I am certain whatever curse is upon those boxes has faded.

[ like, if ever. be funny if she opens it in december and gets hit with what everyone else did. pandora's deposit box. ]

... It was not pleasant, from what I had seen in others. I would suggest thee exercise caution as well.