I've held Sia off and on only because it has good volume.. I think Stratis is cool as well. Steem and Ethereum are cool because you can do stuff with both of them. I wish they had smart contracts when I was a kid - every keg party, gift or "tab" I had to pay would have been a smart contract.. Post the pictures on Steemit - earn some Steem. I love projects that actually accomplish some goal!