Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04156139a2c2e30eb4d651dad1927a2413edb6be3cd27bbb99871d6b697416b00aabff0055261da00e0bc7a3be018225101ce458b6a3e718edd6e9854e3e9d8f1d