Bitcoin symbol

There is no official Bitcoin symbol as of December 2010, however the BTC abbreviation is the most universally accepted form.

Unicode symbol

There is a discussion over which Unicode symbol might be the best suited for bitcoin.

It has lead to the following options:

To type Unicode characters, refer to: Microsoft Windows Unicode Input How to easily type the circled B symbol on a Mac

Proposed character	Pros & Cons	Unicode name	Unicode decimal input	Unicode hex input
฿	Pros: Gives a currency-like look (it is the symbol for an existing currency, the Thai Baht, but other currency symbols often get reused, like the $); displayed correctly on all known OSes Cons: It is already used for the Thai currency, and might confuse people	THAI CURRENCY SYMBOL BAHT		Alt +0E3F
Ⓑ	Pros: Similar to current bitcoin.org logo	CIRCLED LATIN CAPITAL LETTER B		Alt +24B7
ⓑ	Pros: Small b represent the unit bit in computer where capital B is Byte Cons: Small fonts are harder to read	CIRCLED LATIN SMALL LETTER B		Alt +24D1
ᴃ		LATIN LETTER SMALL CAPITAL BARRED B		Alt +1D03
Ƀ		LATIN CAPITAL LETTER B WITH STROKE		Alt +0243
B⃦
␢		(Unicode Block: Control Pictures) BLANK SYMBOL (graphic for space)		Alt +2422
β		GREEK SMALL LETTER BETA		Alt +03B2
¤		CURRENCY SIGN	Alt 0164	Alt +00A4
Ƅ		LATIN CAPITAL LETTER TONE SIX		Alt +0184
∄		(Unicode Block: Mathematical Operators) THERE DOES NOT EXIST		Alt +2204
ℬ		SCRIPT CAPITAL B		Alt +212C

• ઘ
  • Cons: No visible relation to Bitcoin
• ϭ
  • Cons: No visible relation to Bitcoin
• 
  • Cons: Does not exist in the Unicode standard
• 
  • Cons: Does not exist in the Unicode standard
• ⓢ
• the b'at
  • Pros: Is round like a coin. Contains the B for Bitcoin. Borrows a style widelly associated with the internet. Not used for other meanings.
  • Cons: Not (yet) officially in the Unicode standard.
• A C with 1 and zero inside [[1]]
• A C with a circle and dot inside [[2]]
• ◪

• ☃
  • Cons: Wait, what?