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Bitcoin is Stupid and Does Not Deserve an Emoji (blog post)
(thedabbler.patatas.ca)
This is a most excellent place for technology news and articles.
Your comment lead me to this overview:
https://en.wikipedia.org/wiki/Template:Unicode_chart_Bamum_Supplement
Here you'll find all the evergreens such as these, among many others:
๐ ๐ก ๐ข ๐ขฏ ๐ฃ ๐ฃ ๐ค ๐ฅ ๐คซ ๐ง ๐จฐ