Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 048490abe4a39aa7e075fddf6ccd82d74e847d14742f4f3843575527f84d1acb022f8e8fb820c75451dc300e6a9b64b83e6223a86c9b39da166be76f2b21446549