Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0473a31f43ec728a45c8e53868252c5b81d03a348b8314d741d3bd4930dce3922436169469794851c61900c666e987fd05e06e90b8027f318cf17a1f827f15a1a9