Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 047b49ba492f7dd9953d340ed81226f6d814c889f3a3ccfe99e93790ae30678f51dfdb685b9fd654c4b7b9fa7f0e5e595f9f488f64bf53d45000ab44895c84365f