Blockstream Green with a Jade hardware wallet on MacOS typically requires a USB connection. This is primarily because the communication required for securely signing transactions between the software wallet on your Mac and the hardware wallet relies on this direct USB linkage for data transmission.
Airgapping, which is the practice of keeping a system isolated from insecure networks, is a common security measure for managing sensitive data such as cryptocurrency private keys. However, implementing it with Blockstream Green and Jade on MacOS without USB isn’t straightforward. This setup inherently relies on physically connecting the two devices to facilitate secure transaction signing.
Blockstream Green on MacOS is not designed to support wireless communication, such as Bluetooth or NFC, which might otherwise enable airgapped workflows without needing a physical connection. Therefore, to securely execute transactions using the Jade wallet, you’ll need to use a USB connection to transfer data.
For those seeking complete airgapping, you would typically need a specialized setup involving an intermediary device like a separate smartphone or a tablet that often allows offline QR code scanning methods for securely transferring transaction data between devices. Unfortunately, without USB, MacOS version of Blockstream Green does not natively support this mode of operation with Jade hardware wallets.
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