When bridging Bitcoin to Avalanche, it will arrive on the Avalanche network with the “.b” designation, indicating that it is a bridgeable asset.
When bridging the BTC.b back to the Bitcoin network, the “.b” designation is removed.
For a more in-depth read on how the Avalanche Bridge works, please read the following articles.
For any additional questions, please view our other knowledge base articles or contact a support team member via the chat button. Examples are for illustrative purposes only.