$BTC It seems that you are looking for information about publishing or trading with the Bitcoin pair ($BTC). I will provide some relevant information that may help.

*What is Bitcoin ($BTC)?*

Bitcoin is a decentralized cryptocurrency that uses blockchain technology to record transactions. It is one of the most well-known and widely used cryptocurrencies in the world.

*Trading pairs with $BTC*

There are several trading pairs that you can trade with $BTC, including:

- *BTC/USD*: The most common pair, which involves trading Bitcoin for US dollars.

- *BTC/BRL*: Trading Bitcoin for Brazilian reais.

- *BTC/ETH*: Trading Bitcoin for Ethereum,