<div dir="ltr"><div>Hi Pieter,</div><div><br></div><div>> The <b>human-readable part</b>, which is intended to convey the type of
data, or anything else that is relevant to the reader. This part MUST
contain 1 to 83 US-ASCII characters, with each character having a value
in the range [33-126]. HRP validity may be further restricted by
specific applications.<br></div><div><br></div><div>You should also add to this section that the HRP should be lowercase.</div><div><br></div><div>Since Bech32 forbids mixed-case and otherwise converts everything to lowercase, it is good to warn upfront against using uppercase in the HRP.</div><div><br></div><div>I know the BIP is marked as final, but this wouldn't be a normative change.<br></div></div>