Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04c9f5c64d226efcc7d7ec2526c3b4dad14af79a1fc83ca8c6b9c680035bde5734f51d4a106dcb3a0d3640de17742544625635632171144ed453e6c5aaba06d8af