Video game streaming site Twitch is to introduce its own virtual "currency", says its owner Amazon Game Studios.

"Stream is a loyalty points system where players can earn points by watching streams," said Patrick Gilmore of Amazon Game Studios.

He said points could be used in "polls and wagering" and could be spent on items to use in games.

The studio's forthcoming multiplayer game Breakaway will be the first title to use Stream .

Breakaway is Amazon's answer to rival studios Blizzard, Value and Riot, which have all developed similar team-based battle games.

Players will be able to gamble with Stream points

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