Steem is based on the Smart Media Tokens (SMT) protocol, developed by Steemit. As of December 2017, CoinMarketCap.com listed Steem with a $475 million market capitalization, and ranked Steem tokens 32nd of 1,358 cryptocurrencies. User actions, such as upvoting facilitates Steem's Proof-of-Brain algorithm, which also factors in the Steem Power a user holds, to provide incentives for content creators and the community by transferring small amounts of the Steem token currency.[8]
Steem began with a highly inflationary supply model, doubling roughly every year.[4] However, due to community demand, on December 6, 2016 the inflation rate of Steem was changed to 9.5% per year, reducing by 0.5% per yea
