Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04c921985a931759ee4cc05d15f319356eff4a7bd9e02ef3b1afd21d86a3a108ebe90fd444ae4ccf23a71dd7d580c0323d32ba1b2f98cd13c164b137bd52604b67