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Cc: bitcoin-development@lists.sourceforge.net
Subject: Re: [Bitcoin-development] After compressed pubkeys: hybrid pubkeys
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> * 0x04 [32-byte X coord] [32-byte Y coord]: uncompressed format
> * 0x06 [32-byte X coord] [32-byte Y coord]: hybrid format for even Y coords
> * 0x07 [32-byte X coord] [32-byte Y coord]: hybrid format for odd Y coords

So what's the actual difference in format? Is there any at all, or
it's just the first number that's different?