[Bitshares is superior to any other crypto and therefore so is Steem](https://steemit.com/bitshares/@oaldamster/bitshares-is-superior-to-any-other-crypto-and-therefore-so-is-steem)

According to this, Lightning can be applied to any blockchain, and if so, BTS and Steem would maintain its claim on the fastest. It is still unclear to me if Steem is the fastest currently... either way, it does appear to be the cheapest transaction with tons of scalability.