I have not looked into Potcoin. I read that Metal (MTL) has a link to the legal cannabis industry (among other un-banked industries). It is hard for growers to get financing so they are a target market for Metal. The coin has been beat up recently as well as many other alts. I nibbled at it a while back and have added some as the price went down. Just thought you may be interested.

JMHO, DYOR.

Some info on it:
https://coinreviews.io/metal-token-review/
https://www.metalpay.com/assets/pdf/whitepaper.pdf