Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0490a18a15b68a8fd5977e86c74e3ab2b84e0bea631ba41df2e598e035b67a81be41d816e184eb7e718af828e613f0b03e2beba6d0e1de0088715d33d5bd743810