Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 043993e9be4eab1f5fc46d2f3301ea20d5b28182cbe9f442d5527380031b2e418fbf6d0fa551e576e0fe37d00aa1a9f21587e1e62992bc603e71ee0681f530b2ad