Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04c5f420c27407b7b32c9375f6643d19f1faff7bffaa93a7184f6744f4eab02e344c5db62d14a8af0d912b3451891f9932c2bf92e4fedb4cb1a6594c4b9adba04b