Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0409b857e0f74c64f80808b7aa3e6246c55c828ee13fc33b44a445efc4e2ac02f4e51b60fba2abfb4905218be5ffbfe42ed8c38064d1356d8ca81bce3269afb536