signMessage

Wallet & Address Type Support Matrix

Signing Method	Wallet Type	Supported Address Types
ECDSA	Software & Hardware	P2PKH, P2SH, P2WPKH, P2TR
BIP322-Simple	Software	P2WPKH, P2TR
BIP322-Simple	Hardware (Pro, Classic1S)	P2TR

Sign a message using either ECDSA or BIP322-Simple signing method.

Method

async function signMessage(
  message: string,
  type?: "ecdsa" | "bip322-simple"
): Promise<string>

Params

• message — required string A string to sign

• type — optional string Signing method type, either "ecdsa" or "bip322-simple". Default is "ecdsa"

Returns

signature — string The signed message signature

Examples

const provider = (window.$onekey && window.$onekey.btc) || window.unisat;

// Sign with ECDSA (default)
try {
  const message = "Hello OneKey";
  const signature = await provider.signMessage(message);
  console.log("ECDSA signature:", signature);
} catch (e) {
  console.error("Error signing with ECDSA:", e);
}

// Sign with BIP322-Simple
try {
  const message = "Hello OneKey";
  const signature = await provider.signMessage(message, "bip322-simple");
  console.log("BIP322-Simple signature:", signature);
} catch (e) {
  console.error("Error signing with BIP322-Simple:", e);
}

Demo