Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0428ef4e97921f62e8f100b2a534a3a851b389925aaccdd2d1dcba91f664baa659bac0c7d1735e28312cdc6edff1eb24bc6dbdb34112758e4178e4c2eb94a28bda