Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0439923df646a9a918a1a687e3d19fdd1c99298858f4b0e3882877df40d18ce1f6061b65482f665c0c7ef26e6e2fd3a7137fca81722354ca769b187b6a69950e1e