Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0400df6fad6a176011355bb19a59bb3b18195db26a257a321e08c8c546882b21f493b7c5a329399c5c9d4bd03023a7f5b767a55c8294a0803e660e6cbc15d70a89