Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 042216fc31fba2926b3d6e40d6060254586470e2a9c5bdd4b87cae2e0549989699059fc6e85e6795454551c27264a78c58f7e22366fe1afd8dcc82a0e338f60485