Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04200c52259c30012ae364063003057f981f615a08d8e795a4d24425a09e8bd821093203e844a2c24d5b9c1d02e6cf71766cf7c8ba2d9cb75df9270b6bb004e7b7