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Author: Admin | 2025-04-28
And assign a smart account to a Bitcoin wallet. This is done through the computation of an EVM EOA address based on the Bitcoin wallet’s public key (exposed by the connected wallet). This EOA address is then used as the Signer for a specific smart account implementation. An example of this computation can be found below:Once a smart account has been assigned to the Bitcoin wallet (by proxy of the generated EVM EOA address), signatures can be generated directly by the Bitcoin wallet to sign for the smart account. These are simply formatted as signatures for standard string representations of the EVM UserOperation hash. Upon signing, the signature will be converted to an EVM-compatible signature and used for authenticating the UserOperation. An example of this function has been included below:To visualize this further, see the following graphic covering the dynamics between the connected Bitcoin wallet, public key, generated EVM address, and associated smart account.Exploring the documentationWeb SDKImplementing BTC Connect within web applications.
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