Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04721f8a17c342fb150f750a326a555b423d63c0acea4fa51e5fbc915c0c1532f7cb0f486829a4210878d9342567f256a516251433feae7e0f3478c9ff58a1a9d7