jm RÁ*ÒXßK%ÑƹTòEäyzµ?àd1ñGL£Goal of memo is to be public, but Slack-style cryptographically enforced private groups could be a thing, which I'd love. I'm excited to see what features you add!
https://whatsonchain.com/tx/00270309384ed1acf9b7accb2d08a74ffa00798b797cf8c2393ffc9e974d1003