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It is not true because 0.1SBD = 0.8x10 = 8$
And your upvote your real upvote 1SBD = 3.2$ is it 10 times ?

It is true.

For example:
Sam bids 1 SBD,
Bob bids 4 SBD.
Totals bids are 5 SBD.

@pushup value depends on amount of total bids collected in a round. Sam gets 20% @pushup, Bob gets 80% @pushup.

so if i sent 1 and 100 user sent 10 , i may get nothing?


You can track when it is good time to bid on bottracker.
Everybody gets a share of @pushup according to total bids collected in a 2.5 hours round. http://www.steembottracker.com/