You bought some accounts? I'm not sure what the relevancy of those two particular posts are either, but yeah, spamming nonsense to hit senior rank to join a campaign and very likely from a hacked/farmed account.

Your last post was: February 05, 2014 https://bitcointalk.org/index.php?topic=449384.msg4956129#msg4956129
Then suddenly reappears: July 17, 2017 https://bitcointalk.org/index.php?topic=2006792.msg20197943#msg20197943