Is it really necessary to use an existing character? I mean, Bitcoin gained an exclusive one with Unicode 10.0 (that one --> ₿), so if Grin succeeds and become a huge known and used currency, it may gain its exclusive one too. That’s why I suggested that logo (Grin Logos for Community Consideration, also attached in this post). It resembles BTC one, and it may be an unique Unicode character futurely, not already used by anything else. It may take some time to happen, but I think it’ll be more worth than using an actually existing one that can eventually already being used for something else now.
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