Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 040c84491cd2dbac6593cce4105c70ef6b3889e8e1a365f90213578f43a7051ffd8d8ccebf747330927ee3ba33b3ea57e978e5b633e303a5cfa4473e974da2d51a