Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04b7640982ebd8163886f0544c85014be0bcee8f304ef867f9a12667d70cfaf5f9ef63c54852dae5ccf58f3547c169d8dff9d9c78a30fcbe7f5880bb5d4566a1c3