Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 049c78f64bcc0a6b50a83e24a62de3ada475adbbca5e6f462cd344eec137ea6e6e02dd8cf4c59f83544a01a8f3dc310402644ea750ecdec0dc1a3f859c4191d013