Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04e21087a6381be2cb09e30dc35c8205b9dcc074c2a3597f6b2cb8c76f16dc62b53feccd7ff6052902c0cc8c96ac133f5c65bcb7a97db2d9047e22c4eb7751d515