Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 042640e6a6cca447b9bd790f777114848578ac46064edeaa203560cd03a9b41c1cd033e25b44a26eda60d12c7d8382303aeeaea0209b6390b580128dc34e50d1bb