CosmJS

// Initialize a Turnkey Signer
const turnkeySigner = await TurnkeyDirectWallet.init({
  config: {
    ...
  },
  prefix: "celestia", // can be replaced with other Cosmos chains
});

const account = refineNonNull((await turnkeySigner.getAccounts())[0]);
const compressedPublicKey = toHex(account.pubkey);
const selfAddress = account.address;