Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04c721b94be1e2b3be0f73070cc88e30ef6f0b93c73d2e7582b102b28356b5918d67aff33112c58271880f3c3b938ac9de77018e6b0dc04cfffaee6b6dcc0a603e