Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04422c421442974822615177457a902222902b00beb3596b603bf6d52bd41d62d8167a0ab5db787bcc11db3da7e8e408349b94188ecb3ce3108a4a085055d597bf