Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04212bf00c06c284f1b8e50e38b21dcb4e973b6fc859e79ec83fe812258f4f9a7310fccb00884ba85b9e3a80db6c7ad4707b5331f61f05de50754df0637760e42d