No but there was a demo video with director commentary where they said you could trade and gamble for gear. Look up the "don't buy dark below or house of wolves" rant on youtube and he shows that part of the video.
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Didn't say trade, just gamble and the guy speculated that it was talking about sparrow racing. ALL speculation. nothing concrete. If there were a concrete video stating that, sure that's fine. But it never happened sorry