Yes it is possible, i was on a sim a few days ago and had logged in my alt also to transfer some lindens from one to the other, some how a guy on the sim knew he was my alt. I havent found out how yet ,,but there is a way
Beatutifull Martha's Vinyard House ,,with 2 Bedrooms Fully furished with 144 Prims for L800 a week.All set up and ready to move into.Just pay the rental box then contact "111Nosferatu11 Resident" for tags and move in. http://slurl.com/secondlife/Polyakov/16/201/34
Nice square lot 2048 meters with 468 prims a great deal at $500 L a week contact 111Nosferatu111 for details and tags if you decide to rent..Thank you for looking at my ad. http://slurl.com/secondlife/Polyakov/17/225/34