Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04c3d83573be6e7cabd5618c247d187152d3f365fcb5cba804509772f7a077b836cd4f11778e356838ff66bb51fa6bf17e57464171f8a50e7fcaeddcbd30f3ce07