Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04b912a907303efd7699dbf4b4805536ebb4be0e1ea735b437d91418b6bb0304a0440868eee43f3f33e16c6b5a98002db6ac22822d0c62b18a9b5d05dc77bb6822