Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04640f69a57b7d80da61dd8f8d8a666448dde1ebea79ccda5d97097ef9de8676850f91e6ef556bd78b88338ca56ddbe3b55f6fbe581589b52bb87d6c1b5e983e0b