Users can download the Core Wallet Extension to access BTC bridging. Note that BTC bridging is ONLY currently available through the Core Wallet Extension. BTC bridging with Avalanche Bridge is not supported with Metamask or any other wallet. This is because the Core Wallet Extension was custom built to support Bitcoin and the Avalanche Bridge and to handle the technical problems of linking Bitcoin and EVM chains within a wallet. See here for more details on how to bridge BTC. Do not attempt to use any wallet other than the Core Wallet Extension for BTC bridging – you may lose all your funds.

What is the Core Wallet Extension?

Core Wallet Extension is a new alternative to other crypto wallet extensions, such as the Metamask Wallet Extension. Users can use the Core Wallet Extension to bridge BTC to Avalanche C-Chain or ERC20 tokens to Avalanche C-Chain and back. Note: While users are able to bridge between Ethereum and the Avalanche C-chain, users won’t be able to use the Core Wallet Extension to interact with their Ethereum assets on the Ethereum blockchain. Core Wallet Extension support to interact with the Ethereum blockchain is coming soon.

To learn more about the BTC bridge, please read the BTC bridge FAQ.


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