Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04640fb496546732b8e20aa8a4993854f85cfa03558841825fe5c1cc8c0b4fcb2dfa3e9174554096065d9b24fde94643335a157d9cdf1accfdf9b8054a3785a4d8