Where can I buy green satoshi?

Excuse me, I'm curious about where exactly one might be able to acquire green satoshi? I've been hearing quite a bit about them lately and I'm eager to get my hands on some. Could you please provide me with some specific platforms or exchanges that offer green satoshi for purchase? It would be greatly appreciated if you could also provide any insight into the security measures and reputation of these options, as I want to ensure that my investment is both SAFE and worthwhile. Thank you in advance for your assistance.