Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0421caf86128d8dca62c12673bbaaed9ffd4d78cb2cd6e8beb1c5fd5aec5c73e2abc4239748c07ccf25cfffde3c3c1024e9510e2064a84b0722c130e729a3b7da9