Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0420d278106ad6533ae4ee8d2b93daa40c8ce8ce9ce3dd020e8d543cdd7afe099ce3db25b7970d6e5b246a7696a661a452a20ce6526d37bfbef5524a4aa2906d39