Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0491a467689b9b7bbf0be7c27b553c16e212e311ecfcddf035aea7e4d8eb4067c24782c67bd71b3e33e0ca627fb47cbcb0cfe0a11e6157b2dd3f5f6125241ce9a7