Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0403a4bbdd9c1f0b16266641016ccb59bc48ea2529c62029f2cb79ff809236ae2a558b9be9aa09eb49e88dce2818b7c10d1f75c510da64b4fd71fd38f4063d2c49