"In terms of the Threshold of Originality "coming from someone as the originator/author" I 'BitcoinFX' formally request that $BCH (Bitcoin Cash) and $BSV (BitcoinSV) cease and desist all use of my #Bitcoin #BTC logo design with immediate effect."
- https://twitter.com/BitcoinFX_XBT/status/1392491186875666437

...

"Official notification (see above):

@BitcoinAssn
@CalvinAyre
 
@BitcoinCashA
@rogerkver

Your projects have copied my logo design and breach my Threshold of Originality.

Cease and desist.

The #Bitcoin #BTC logo is Orange with the "B" tilted right as per https://bitcoin.org "
- https://twitter.com/BitcoinFX_XBT/status/1392501147949223937

...

Re: Bitcoin Currency Symbol ฿, February 05, 2010
- https://bitcointalk.org/index.php?topic=41.msg243#msg243


...

Bitcoin Graphics in Vector Format (Illustrator), November 12, 2010
- https://bitcointalk.org/?topic=1756.0

File:Bitcoin logo.svg
- https://commons.wikimedia.org/wiki/File:Bitcoin_logo.svg

N.B. "This work includes material that may be protected as a trademark in some jurisdictions. If you want to use it, you have to ensure that you have the legal right to do so and that you do not infringe any trademark rights."

Also see:

Commons:Threshold of originality
- https://commons.wikimedia.org/wiki/Commons:Threshold_of_originality