Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 044721fc6a30531a45ff0f3df2bae67d2d5e6da9637ebfc524871101ee68357842184c9e82a4ff3efa43cf53ef5cdaa2ad66ab03fd938baa16379ddadf596a8237