Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04239c70bcb12f4244c7ecd547e08aa6aed043d149c7ca32a9fdedf2fdae0a1596a0cb0f743470ebaed66614e185c3e2a4a54248b39464a8f6a0f2c44c5bc6c447