importmasterblindingkey (0.21.0.0 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 Examples: > elements-cli importmasterblindingkey <hexkey>