[server] host = "0.0.0.0" port = 8080 log_level = "info" [blockchain] rpc_url = "http://localhost:8545" timeout_secs = 30 [security] jwt_secret = "change-this-secret-in-production" jwt_expiration_hours = 24 enable_https = false allowed_origins = ["*"] [rate_limit] requests_per_second = 10 burst_size = 20