Blockstream Multisig Shield is not working with an HWW like Jade. It is a 2 of 2 multisig where one key is held by the wallet in the device (e.g. stored into the android phone, protected by a pin) and the other is stored at the server.
key points
wallet seed is generated by the wallet and shown on a device with access to internet
After 365 days, the multisig converts to a single sig (timelock expires), when not renewed with a transaction within this period
Blockstream Multisig Shield is not working with an HWW like Jade. It is a 2 of 2 multisig where one key is held by the wallet in the device (e.g. stored into the android phone, protected by a pin) and the other is stored at the server.
key points