Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0463cf19bdfa2f2cdb7a7dbbd52a16700cbee94fc7945818e2c1b851e8098d64646a30313ed4c19c149588ec4f7415b1fcf81eb8de329646ecf089b4267e17a539