Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0409b04af31fe129d2d9d1c8057f38fbcb42bf4dfab494b66c7a291754dad5b36c6b6754f2d03a9c2b00d241a852ffc80729da87ebed729a0b9ea9d93ff7f3fc40