$Sirius First cat in crypto CTO is being protected by @Safeguard

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Sirius was a bitcointalk user known to interact with Satoshi himself. He used this cat pic as his pfp. This became to be known as the FIRST cat to enter crypto.

https://bitcointalk.org/index.php?topic=13.0

Sirius is also considered the second Bitcoin developer

https://en.bitcoin.it/wiki/Sirius