Ah, and looks like it's been submitted in the past, which I should have searched for first: https://hn.algolia.com/?q=carbon+coin https://hn.algolia.com/?q=carb

Ah, and looks like it's been submitted in the past, which I should have searched for first: https://hn.algolia.com/?q=carbon+coin https://hn.algolia.com/?q=carbon+coin