It's been quite a long time since the first cryptocurrency with the "Mimblewimble" privacy technique was released. My first days of using GRIN were quite troublesome due to its added complexity. But it's a great coin to use for privacy-oriented transactions once you get the hang of it. Somehow, GRIN became a forgotten cryptocurrency as all of the attention shifted back to Monero. Was this a result of poor marketing/promotion efforts? Or a lack of user experience?
I'm wondering if this coin still has a future, especially when privacy on crypto has been frowned upon by mainstream governments. Do you think it can be good long-term investment like Monero? Or is it a complete bust? Your input would be greatly appreciated. Thank you very much.

I personally had no prior knowledge of Grin Coins. But I hope I don't miss the mark when I find out. So allow me to ask whether the GRIN in question is this one GRIN (
https://coinmarketcap.com/currencies/grin/)
If true, then it seems that this coin has begun to be forgotten. Even their ranking in cmc has reached rank 1000. But fortunately not everyone has forgotten about it because in terms of trading volume they are still ranked 734. After I read how this coin works. I think someday this coin will get some attention again. As long as their team is still active enough in developing and interacting with their community again
But unfortunately I see they are not very active. In fact I saw their Twitter made a post last time in 2022 and it wasn't good at all.
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Sourch:
https://twitter.com/grin_privacy