Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04214e3ae0e5e3ab8a7bd1793ce5e6b01cfa336f57b19c15916ad280db323ec01e91f583c125dad10c87052245dea16bd9d81c7d26fa833a614487ced27e4c55e6