importmasterblindingkey (23.2.1 RPC)
importmasterblindingkey "hexkey"
Imports a master private blinding key in hex for the wallet.
Note: wallets can only have one master blinding key at a time. Funds could be permanently lost if user doesn't know what they are doing. Recommended use is only for wallet recovery using this in conjunction with `sethdseed`.
Arguments:
1. hexkey (string, required) The blinding key in hex
Result:
null (json null)
Examples:
> elements-cli importmasterblindingkey <hexkey>