Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 047a647a52628f6553c5c47f3875ab92b09aa6487025f1b7bad31ed8d3055861bc2bdcd05990525f419dc7edca5c42fe54b1684852b3cd9766be72e5f97af9da75