Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04f921f05755684e38338e01a9f5e007a8cee75f3500adc867c96f047ddb4902a6979a2b1c2a9f4253ecb712b8fe4cd3ce33b914a3c3c493d4dbe3ecfbfe857f88