Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04191d7bb0e0268f9f97035712de607295fe71c3cf937deb6352eb8f11de18c79c46387dc619eaf6f4d7b2d7416fbc3146929fbf45b91728a61365b5c71b05c40c