The keyring holds the private/public key pairs used to interact with the node. For instance, a validator key needs to be set up before running the node, so that blocks can be correctly signed. The private key can be stored in different locations, called "backends", such as a file or the operating system's own key storage.

You can run the command below when you have a running blockxd node to be able to create a key. Feel free to change the <mykey> to whatever name you want and make sure to save the mnemonic that will be shown. blockxd keys add <mykey> --keyring-backend file --algo eth_secp256k1

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