Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0421066ce799f6b1e730658779b2511f46d571717999fa30d2e7f0e333e355ade7c9d68c696e1410a4d27a6aab19df7f5318ab23f7c61fe137d7c29357f03e9a6a