Here you have a link with a lot of info and answers about the issue, it has some interesting links in there also. Nice to see you on Palnet. Has interesting interactions through Steem Engine for tokenBB.

https://www.palnet.io/minnowsupport/@minnowsupport/how-to-palnet-io-and-palcoin-with-keychain-and-steem-engine-com

I think that are great news for your proyect also. Cheers!.