Key 0001 - The Jade Key - was discovered April 16th, 2019.
The following QR code was found in Times Square, New York, around noon.
Image source: Pr0m3th3on in EV Discord.
The QR code leads to the following website:
Inputting the passphrase into the page decrypts it, which reveals the first key. The passphrase is “orbital.”
The text of the key:
Quote text at bottom of page:
Oh, yes, I remember the key. Finding it wasn't the problem; it lay in plain sight. The challenge was moving it. A key a kilometer long – a cruel joke. And you should have seen the lock! (M. Bascule, Interviews with Great Hunters)