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At its root, Steem is simply a points system. However, because this points system is blockchain-based, the points can be traded on markets as tokens. People buy and sell these tokens, and many hold in anticipation of increased purchasing power for various Steem-related services. - FAQ’s

Really the only people that make money are the authors and curators like you, me and the bigger whales that own a large portion of Steem.

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