Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0487307f146cfe8c81efb2d6f69d48a81ac3c990613c6f53581943b94650e925625d15ee3c425cacee325f3f8dc54149cfe05d230d3d9b73b49c716952c8c109a5