Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04b4cbd4c4b3ac2128ecc8a7ef0e6f341853eac4f8cde680aa9c2b743bac4cb064ea41c8547c4420883cbb47dd0072570e5e064b4e7bd10b43ec10d735e46cf836