Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0419c90211a01c8735bf47d8b15ed97913169fab1144d48239300f9ea4d5bf953e86d42594f62de950de9c5c83e459b15358fe051c81b3242cdd991405a4757361