Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04c3c6dcd280086ec0d9a491b71911c886168cb26accaf3f9f357431df4f6b326204e8d7a0cad68bdfbd42c6b8ab4ed297e9625883fe68762edcbe6a13e0f3bdad