Hello again.
I was not the first to find the key this time, props to EnigmaZer0 for this one! After seeing that everyone enjoyed understanding how the first clues were solved I thought I'd provide an explanation for The Leporine Key.
The second clue dropped early afternoon EDT on (easter) Sunday April 21 2019. The clue can be viewed on the satoshis treasure website here and looked like this:
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