Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0453d6ab978795b51dfe85edad7e65c9aee73599c69fd5ae2e1da3cfce4bed987276026c19040766089302097074099e07c7dc7a41072dc082f6873d054155cdf3