Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0447d4c436b56de7b13ded2d38aa28ad0b84c7a065817f61f2d96b50b6b9e37abe08cb3c5bf0a92daec6bf41b77e6133b9f43881fc8bd8cca6ac8ab2bdd7dd3d6f