Bitcoin sign has been added to Unicode 10.0 (June 2017).
Congrats everyone.
₿
Hmm, did you know that i actually posted a thread about it last year?
Here is how to produce the ₿ (Bitcoin) symbol in xorg (Linux/BSD/etc) by keypresThe ₿ (Bitcoin) symbol exists officially in unicode under code U+20BF since 2017 (Unicode v10). If you have a fairly recent Unicode font, such as Google's Noto, you can already see the Bitcoin symbol and use it by copy paste or unicode input along the traditional fiat symbols like $, £, , etc.
As i explained back then, anyone with a recent enough unicode font should have access to this symbol. I mentioned Google's Noto which happens to be in Android as well. If you don't have this font in your OS, install it, its free. Other unicode fonts (updated after v10) should have this symbol by now.