Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04163dee528d1d0c5a1dd536583930a6a4e449374e1cc54e1195c0cd2093a3b3dcd6b9c40bfc64619dd4afd3ea9c700c720763b84a582d4916fd38f3ff007f3321