Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0400efab67cd722d54500d9897aa5d3810db13ec76ac04d36eea5ef74bb84bd3d5ca25704a2074a9576a5556e102a1065b6466ada92c71ae6c6f8da02d241e4241