Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0473d54316ac633e72864e804392e1b006be607e1159e0df481a00c587a2d6de2d99cde251c04b9027288ba43c2a71c9efa8542d5739522e81a42111bc97d88a6b