Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0439280d9ab0828236e64fc2a282ad5e9560e8901041831c9228cd7accc47e6928add9a209b61d61647e8f75bf4e765d70e035b3fa85a8968f04e7e40055ffe529