Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0471b371c419bd8ee8501942c0f64e505f76029266aecc1806b010740a6f07b36bbb3070fa0828085c975159c40a554d6d966614c7be411f64b79f3818f752e790