On Thu, Jun 11, 2020 at 04:18:37PM -0400, Michael Lazar wrote: > I have a slight preference towards not sticking the colons between bytes: > > - It's easier to generate from bytes without needing to insert the colons > - It's easier to convert back to bytes without needing to remove the colons > - It would have a marginally smaller footprint > - It would look more like a UUID when displayed or inserted into a URL path Actually, the marginally smaller footprint is a really good point which largely invalidates my arguments about making them easy to stick in emails. Without colons, a 256 bit hash formatted as hex is 64 characters long, which will fit in a single line. With colons, they'd be 96 characters which typically won't. So, let's not do them. Upper or lower case? Cheers, Solderpunk?
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