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A comment on Coinbase Commerce: merchants can accept multiple digital currencies. Parent comment

Re:Coinbase Commerce: merchants can accept multiple digital ... by josu on Thursday February 15, 2018 @08:46AM (#16383908)
Coinbase can easily take care of this. They can have a small reserve and sell the bitcoin as soon as the transaction is published/sent to the mempool. No need to wait for any confirmations. If the transaction happens to be fraudulent†, they just buy the bitcoin back and realize the earning/loss (in the long run they will tend to even out).

†Not sure what the attack vectors are here.

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Re:Coinbase Commerce: merchants can accept multiple digital ... by sf_rob on Thursday February 15, 2018 @11:12AM (#16385134)
If they're interested in taking on the counterparty risk they could do this, but when the mempool is flooded you can replace pending transactions with new transactions with a higher fee (called "Replace by Fee").
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Re:Coinbase Commerce: merchants can accept multiple digital ... by JustAnotherPat on Thursday February 15, 2018 @11:41AM (#16385384)
but they don't seem to convert to fiat (at least from this article or the demo), so it's irrelevant.
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