Just sold a dota 2 key to n4n0, he got me to send the key first (ofc as he is so trusted), there were a few hiccups with steam but in the end everything went through okay.
Vouch for n4n0!! He did me a favor (an OMMish) that required him helping me buy 2B. He has possession of 2B while staking it with the other trader. Afterwards, he gave me the 2B. n4n0 is a top 10 trader here on Sythe.org. Thanks a lot.