Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0409efeac724d9c9faa50883133652ff5a686624226d9dd05466a7960c17f03db771dc3b2b990c82ac7ed33fed00035ec7b61ec512c02547f0b5ebf3f197c76384