After thinking about my other post about Bitcoin Testnet being directly related to Satoshi.
I realized Bitcoin Testnet is actually the first Altcoin ever... previously I had it in my mind that the first was Namecoin, but technically speaking Bitcoin Testnet came first.
Here is a post from Gavin to Andreas on Twitter in 2014. (I'm slow, but better late than never)
https://x.com/gavinandresen/status/499247483286224896Thoughts?