Bit Shares PTS (PTS) started in 2015 and finished in 2016, with a total supply of 1 billion coins. The team/founder is hidden, The main reason this coin was listed is desertion.
(from old site) BitShares PTS is based on a security protocol called Delegated Proof of Stake (DPoS). Despite the intimidating name, DPoS is actually fairly simple to understand. DPoS is similar to a democracy. The voters in the DPoS democracy are the owners of the currency. Anyone who owns PTS can vote for up to 101 trusted representatives called “delegates” to confirm transfers between accounts. Delegates cannot create new money or take money from anyone's account. The only thing a delegate can do is to run the network software that confirms whether or not a transfer of funds has occurred between two accounts. The performance of delegates is constantly monitored to ensure that they are quickly and reliably performing their duties. Any delegate who fails to perform will quickly be “voted out” of their position. As an owner of PTS, you are not required to vote or to otherwise participate in maintaining the network.