Nickel Bitcoiner
Nickel Bitcoiner
Posts: 10
Joined: Mon Jul 17, 2017 7:15 pm

Why does Bitcoin screen dust transactions?

Fri Jan 12, 2018 5:23 am

Given that users can submit a transaction fee with their transaction and miners can select which transactions to include in a block, why was the output size of version 0.8.2 of Bitcoin rigged so that "dust" transactions (those with an output size of 5.46uBTC) would be weeded out? I mean, if the transactions were too small, wouldn't miners just avoid them altogether? Why hard-code an amount?

This question is motivated primarily by the fact that when the Bitcoin price is high, that minimum transaction fee seems also high when converted to dollars.

- Dave

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