Sort:  

I think primarily to gain more users. A coin which is not actively traded in the market is of no value. There are few others which do something similar, clams for example

I'm no expert on Stellar, so I think you read it on their webpage :)

Coin Marketplace

STEEM 0.06
TRX 0.32
JST 0.060
BTC 66690.13
ETH 2009.93
USDT 1.00
SBD 0.49