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B with stroke
Ƀ ƀ
Usage
Writing system	Latin
Type	Alphabet
Sound values
In Unicode	U+0243, U+0180
History
Development	Β β 𐌁 B b Ƀ ƀ
Sisters	β
Other
Writing direction	Left to right
This article contains phonetic transcriptions in the International Phonetic Alphabet (IPA). For an introductory guide on IPA symbols, see Help:IPA. For the distinction between , / / and ⟨ ⟩, see IPA § Brackets and transcription delimiters.

B with stroke (majuscule: Ƀ, minuscule: ƀ) is a letter of the Latin alphabet, formed from ⟨B⟩ with the addition of a bar, which can be through either the ascender or the bowl. It is used as a phonetic symbol to represent to transcribe the sound [β].

⟨Ƀ⟩ is also a letter of the alphabets of the Rade, Jarai and Katu languages of Vietnam, the Panamanian spelling of the Northern Embera language, and is used in standardized texts in Old Saxon for as well as in reconstructed forms of Proto-Germanic.

Unicode

The minuscule form has been present in Unicode since version 1 (1991), but the majuscule form was not added until version 5 (2006).

Bitcoin

Before the introduction of the Unicode symbol, ⟨₿⟩ (U+20BF), for the popular cryptocurrency Bitcoin, the symbol for the Thai baht, ⟨฿⟩ (U+0E3F), had sometimes been used. However, this caused possible confusion with the baht while ⟨Ƀ⟩ had no other uses related to currency. Therefore, ⟨Ƀ⟩ had been proposed as a substitute.

References

1. Pullum, Geoffrey K.; Ladusaw, William A. (1996). Phonetic Symbol Guide. University of Chicago Press. p. 21.
2. "French design company ECOGEX proposes Unicode "Ƀ" for new bitcoin symbol". Bitcoinx.com. ECOGEX. Retrieved 12 June 2019.
3. "Ƀ is for Bitcoin". Bitcoin Symbol. ECOGEX. Retrieved 30 June 2017.

• Letters with stroke
• Latin letters with diacritics
• Phonetic transcription symbols