Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04221f4e3f01150cce2d7ed3d0e3629931e1381785db11e9d395bd9530b9e0c3268fadc4ef64146571aee0dcbfed981313dcade192b0faeb0ebc1bdbec1347767d