diff --git a/Cargo.lock b/Cargo.lock
index 8b3f776..5ae101d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1184,7 +1184,7 @@ dependencies = [
 [[package]]
 name = "detee-shared"
 version = "0.1.0"
-source = "git+ssh://git@gitea.detee.cloud/testnet/proto.git?branch=offers#4753a17fa29393b3f99b6dfcdcec48d935e6ebd9"
+source = "git+ssh://git@gitea.detee.cloud/testnet/proto.git?branch=remove_uuid#6765cafd68664dcfa269dd776039532eb4253e8a"
 dependencies = [
  "bincode",
  "prost",
diff --git a/Cargo.toml b/Cargo.toml
index cd29d81..7707901 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,7 +37,7 @@ detee-sgx = { git = "ssh://git@gitea.detee.cloud/testnet/detee-sgx.git", branch
 shadow-rs = { version = "1.1.1", features = ["metadata"] }
 serde_default_utils = "0.3.1"
 
-detee-shared = { git = "ssh://git@gitea.detee.cloud/testnet/proto.git", branch = "offers" }
+detee-shared = { git = "ssh://git@gitea.detee.cloud/testnet/proto.git", branch = "remove_uuid" }
 # detee-shared = { path = "../detee-shared" }
 
 [build-dependencies]
diff --git a/src/bin/detee-cli.rs b/src/bin/detee-cli.rs
index 55bbca4..22ec6c5 100644
--- a/src/bin/detee-cli.rs
+++ b/src/bin/detee-cli.rs
@@ -210,8 +210,8 @@ fn clap_cmd() -> Command {
                 )
                 .subcommand(Command::new("inspect").about("list all available information about a App")
                     .arg(
-                        Arg::new("uuid")
-                        .help("supply the uuid of the App contract")
+                        Arg::new("id")
+                        .help("supply the long ID of the App contract")
                         .required(true)
                     )
                     .arg(
@@ -225,8 +225,8 @@ fn clap_cmd() -> Command {
                     Command::new("delete")
                     .about("delete deployed app")
                     .arg(
-                        Arg::new("uuid")
-                        .help("supply the uuid of the App contract")
+                        Arg::new("id")
+                        .help("supply the long ID of the App contract")
                         .required(true)
                     )
                 )
@@ -256,8 +256,8 @@ fn clap_cmd() -> Command {
                                 .required(true)
                             )
                             .arg(
-                                Arg::new("uuid")
-                                .help("supply the uuid of the App contract")
+                                Arg::new("id")
+                                .help("supply the long ID of the App contract")
                                 .required(true)
                             )
                         )
@@ -271,8 +271,8 @@ fn clap_cmd() -> Command {
                                 .required(true),
                             )
                             .arg(
-                                Arg::new("uuid")
-                                .help("supply the uuid of the App contract")
+                                Arg::new("id")
+                                .help("supply the ID of the App contract")
                                 .required(true)
                             )
                         )
@@ -310,7 +310,7 @@ fn clap_cmd() -> Command {
                 .arg(
                     Arg::new("contract")
                     .long("contract")
-                    .help("UUID of the active contract with this node")
+                    .help("ID of the active contract with this node")
                     .required(true)
                 )
                 .arg(
@@ -408,8 +408,8 @@ fn clap_cmd() -> Command {
             )
             .subcommand(Command::new("inspect").about("list all available information about a VM")
                 .arg(
-                    Arg::new("uuid")
-                    .help("supply the uuid of the VM contract")
+                    Arg::new("id")
+                    .help("supply the long ID of the VM contract")
                     .required(true)
                 )
                 .arg(
@@ -421,8 +421,8 @@ fn clap_cmd() -> Command {
             )
             .subcommand(Command::new("ssh").about("connect to the VM using SSH")
                 .arg(
-                    Arg::new("uuid")
-                    .help("supply the uuid of the VM contract")
+                    Arg::new("id")
+                    .help("supply the ID of the VM contract")
                     .required(true)
                 )
                 .arg(
@@ -442,8 +442,8 @@ fn clap_cmd() -> Command {
             )
             .subcommand(Command::new("delete").about("delete a VM from the DeTEE network")
                 .arg(
-                    Arg::new("uuid")
-                    .help("uuid of the VM that you wish to delete")
+                    Arg::new("id")
+                    .help("the (long) ID of the VM that you wish to delete")
                     .required(true)
                 )
             )
@@ -454,8 +454,8 @@ fn clap_cmd() -> Command {
                     "\nChanging the lifetime of a VM will not restart." +
                     "\nIf changing the lifetime to a higher value, credits will locked accordingly.")
                 .arg(
-                    Arg::new("uuid")
-                    .help("supply the uuid of the VM you wish to upgrade")
+                    Arg::new("id")
+                    .help("supply the ID of the VM you wish to upgrade")
                     .required(true)
                 )
                 .arg(
@@ -552,7 +552,7 @@ fn clap_cmd() -> Command {
                 .arg(
                     Arg::new("contract")
                     .long("contract")
-                    .help("UUID of the active contract with this node")
+                    .help("ID of the active contract with this node")
                     .required(true)
                 )
                 .arg(
diff --git a/src/config.rs b/src/config.rs
index b0190e7..949f825 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -178,12 +178,12 @@ impl Config {
         Ok(dir)
     }
 
-    pub fn vm_uuid_list_path() -> Result<String, Error> {
+    pub fn vm_id_list_path() -> Result<String, Error> {
         let dir = Self::home_dir() + ("/.detee/cli/vms");
         if !Path::new(&dir).exists() {
             std::fs::create_dir_all(dir.clone())?;
         }
-        Ok(dir + "/uuid_list")
+        Ok(dir + "/vm_id_list")
     }
 
     pub fn cli_dir_path() -> Result<String, Error> {
@@ -527,11 +527,11 @@ impl Config {
 }
 
 impl Config {
-    pub fn app_uuid_list_path() -> Result<String, Error> {
+    pub fn app_id_list_path() -> Result<String, Error> {
         let dir = Self::home_dir() + ("/.detee/cli/apps");
         if !Path::new(&dir).exists() {
             std::fs::create_dir_all(dir.clone())?;
         }
-        Ok(dir + "/uuid_list")
+        Ok(dir + "/app_id_list")
     }
 }
diff --git a/src/constants.rs b/src/constants.rs
index e7ceb52..526af14 100644
--- a/src/constants.rs
+++ b/src/constants.rs
@@ -6,6 +6,7 @@ use std::sync::LazyLock;
 pub const HRATLS_APP_PORT: u32 = 34500;
 pub const MAX_REDIRECTS: u16 = 3;
 pub const CONFIG_OVERRIDE_PATH_ENV: &str = "DETEE_API_USER_PATH";
+pub const CLI_VERSION: &str = env!("CARGO_PKG_VERSION");
 
 pub const STAGING_BRAIN_URLS: [&str; 3] = [
     "https://156.146.63.216:31337", // staging brain 1
diff --git a/src/general/cli_handler.rs b/src/general/cli_handler.rs
index e0c29f5..a53c64b 100644
--- a/src/general/cli_handler.rs
+++ b/src/general/cli_handler.rs
@@ -25,9 +25,9 @@ pub fn handle_operators(matches: &ArgMatches) {
             cli_print(operators::inspect_operator(wallet).map_err(Into::into));
         }
         Some(("kick", subcom_args)) => {
-            let uuid: String = subcom_args.get_one::<String>("contract").unwrap().clone();
+            let app_id: String = subcom_args.get_one::<String>("contract").unwrap().clone();
             let reason: String = subcom_args.get_one::<String>("reason").unwrap().clone();
-            cli_print(operators::kick(uuid, reason).map_err(Into::into));
+            cli_print(operators::kick(app_id, reason).map_err(Into::into));
         }
         Some(("ban-user", subcom_args)) => {
             let user_wallet: String = subcom_args.get_one::<String>("wallet").unwrap().clone();
@@ -64,14 +64,14 @@ pub fn handle_account(matches: &ArgMatches) {
 }
 
 const FISH_COMPLETION: &str = r#"
-complete -c detee-cli -n '__fish_detee_cli_using_subcommand vm; and __fish_seen_subcommand_from delete' -a '(cat ~/.detee/cli/vms/uuid_list)' -f
-complete -c detee-cli -n '__fish_detee_cli_using_subcommand vm; and __fish_seen_subcommand_from update' -a '(cat ~/.detee/cli/vms/uuid_list)' -f
-complete -c detee-cli -n '__fish_detee_cli_using_subcommand vm; and __fish_seen_subcommand_from inspect' -a '(cat ~/.detee/cli/vms/uuid_list)' -f
-complete -c detee-cli -n '__fish_detee_cli_using_subcommand vm; and __fish_seen_subcommand_from ssh' -a '(cat ~/.detee/cli/vms/uuid_list)' -f
-complete -c detee-cli -n '__fish_detee_cli_using_subcommand app; and __fish_seen_subcommand_from update' -a '(cat ~/.detee/cli/apps/uuid_list)' -f
-complete -c detee-cli -n '__fish_detee_cli_using_subcommand app; and __fish_seen_subcommand_from get' -a '(cat ~/.detee/cli/apps/uuid_list)' -f
-complete -c detee-cli -n '__fish_detee_cli_using_subcommand app; and __fish_seen_subcommand_from delete' -a '(cat ~/.detee/cli/apps/uuid_list)' -f
-complete -c detee-cli -n '__fish_detee_cli_using_subcommand app; and __fish_seen_subcommand_from inspect' -a '(cat ~/.detee/cli/apps/uuid_list)' -f
+complete -c detee-cli -n '__fish_detee_cli_using_subcommand vm; and __fish_seen_subcommand_from delete' -a '(cat ~/.detee/cli/vms/vm_id_list)' -f
+complete -c detee-cli -n '__fish_detee_cli_using_subcommand vm; and __fish_seen_subcommand_from update' -a '(cat ~/.detee/cli/vms/vm_id_list)' -f
+complete -c detee-cli -n '__fish_detee_cli_using_subcommand vm; and __fish_seen_subcommand_from inspect' -a '(cat ~/.detee/cli/vms/vm_id_list)' -f
+complete -c detee-cli -n '__fish_detee_cli_using_subcommand vm; and __fish_seen_subcommand_from ssh' -a '(cat ~/.detee/cli/vms/vm_id_list)' -f
+complete -c detee-cli -n '__fish_detee_cli_using_subcommand app; and __fish_seen_subcommand_from update' -a '(cat ~/.detee/cli/apps/app_id_list)' -f
+complete -c detee-cli -n '__fish_detee_cli_using_subcommand app; and __fish_seen_subcommand_from get' -a '(cat ~/.detee/cli/apps/app_id_list)' -f
+complete -c detee-cli -n '__fish_detee_cli_using_subcommand app; and __fish_seen_subcommand_from delete' -a '(cat ~/.detee/cli/apps/app_id_list)' -f
+complete -c detee-cli -n '__fish_detee_cli_using_subcommand app; and __fish_seen_subcommand_from inspect' -a '(cat ~/.detee/cli/apps/app_id_list)' -f
 "#;
 
 pub fn handle_completion(matches: &ArgMatches, cmd: Command) {
diff --git a/src/general/grpc.rs b/src/general/grpc.rs
index 7117337..96073c0 100644
--- a/src/general/grpc.rs
+++ b/src/general/grpc.rs
@@ -3,7 +3,7 @@
 use crate::config::Config;
 use crate::snp::grpc::proto::VmContract;
 use crate::utils::sign_request;
-use detee_shared::general_proto::ReportNodeReq;
+use detee_shared::general_proto::{RecommendedVersions, ReportNodeReq};
 use log::{debug, info, warn};
 use tokio_stream::StreamExt;
 use tonic::transport::Channel;
@@ -85,13 +85,15 @@ pub async fn list_operators() -> Result<Vec<ListOperatorsResp>, Error> {
     Ok(operators)
 }
 
-pub async fn kick_contract(contract_uuid: String, reason: String) -> Result<u64, Error> {
-    debug!("gRPC module: connecting to brain and kicking contract {contract_uuid} for reason: {reason}");
+pub async fn kick_contract(contract_id: String, reason: String) -> Result<u64, Error> {
+    debug!(
+        "gRPC module: connecting to brain and kicking contract {contract_id} for reason: {reason}"
+    );
     Ok(client()
         .await?
         .kick_contract(sign_request(KickReq {
             operator_wallet: Config::get_detee_wallet()?,
-            contract_uuid,
+            contract_id,
             reason,
         })?)
         .await?
@@ -180,3 +182,7 @@ pub async fn admin_slash(pubkey: String, tokens: u64) -> Result<(), Error> {
     let _ = client().await?.slash(req).await?;
     Ok(())
 }
+
+pub async fn get_versions() -> Result<RecommendedVersions, Error> {
+    Ok(client().await?.get_recommended_versions(Empty {}).await?.into_inner())
+}
diff --git a/src/general/operators.rs b/src/general/operators.rs
index ff09e29..9503646 100644
--- a/src/general/operators.rs
+++ b/src/general/operators.rs
@@ -74,8 +74,8 @@ pub fn print_operators() -> Result<Vec<grpc::proto::ListOperatorsResp>, grpc::Er
     block_on(grpc::list_operators())
 }
 
-pub fn kick(contract_uuid: String, reason: String) -> Result<crate::SimpleOutput, grpc::Error> {
-    let nano_lp = block_on(grpc::kick_contract(contract_uuid, reason))?;
+pub fn kick(contract_id: String, reason: String) -> Result<crate::SimpleOutput, grpc::Error> {
+    let nano_lp = block_on(grpc::kick_contract(contract_id, reason))?;
     Ok(crate::SimpleOutput::from(
         format!("Successfully terminated contract. Refunded {} nanocredits.", nano_lp).as_str(),
     ))
diff --git a/src/lib.rs b/src/lib.rs
index 373d517..4b631c8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -10,6 +10,10 @@ pub mod utils;
 
 use serde::Serialize;
 
+use crate::constants::CLI_VERSION;
+use crate::general::grpc::get_versions;
+use crate::utils::block_on;
+
 pub trait HumanOutput {
     fn human_cli_print(&self);
 }
@@ -36,6 +40,19 @@ pub fn cli_print<T: HumanOutput + serde::Serialize>(output: Result<T, Box<dyn st
         Ok(output) => output,
         Err(e) => {
             println!("Error: {e}");
+            match block_on(get_versions()) {
+                Ok(versions) => {
+                    if CLI_VERSION != versions.cli {
+                        log::error!(
+                            "The brain recommends the CLI version {}, but the local version is {}",
+                            versions.cli,
+                            CLI_VERSION
+                        );
+                        println!("Please upgrade the CLI to the latest docker image: detee/detee-cli:latest")
+                    }
+                }
+                Err(e) => log::warn!("Could not get recommended CLI version from the brain: {e}"),
+            };
             std::process::exit(1);
         }
     };
diff --git a/src/sgx/cli_handler.rs b/src/sgx/cli_handler.rs
index 36a6436..6388f9f 100644
--- a/src/sgx/cli_handler.rs
+++ b/src/sgx/cli_handler.rs
@@ -8,7 +8,7 @@ use crate::sgx::grpc_brain::{delete_app, list_contracts};
 use crate::sgx::grpc_dtpm::{get_config, update_config};
 use crate::sgx::packaging::package_enclave;
 use crate::sgx::{
-    get_app_node_by_contract, get_one_contract, inspect_node, print_nodes, write_uuid_list,
+    get_app_node_by_contract, get_one_contract, inspect_node, print_nodes, write_app_id_list,
     AppContract, AppDeleteResponse, AppDeployResponse,
 };
 use crate::utils::block_on;
@@ -37,10 +37,10 @@ pub fn handle_app_nodes(matches: &ArgMatches) {
         }
         Some(("report", subcom_args)) => {
             let node_pubkey: String = subcom_args.get_one::<String>("pubkey").unwrap().clone();
-            let contract_uuid: String = subcom_args.get_one::<String>("contract").unwrap().clone();
+            let contract_id: String = subcom_args.get_one::<String>("contract").unwrap().clone();
             let reason: String = subcom_args.get_one::<String>("reason").unwrap().clone();
             cli_print(
-                crate::general::report_node(node_pubkey, contract_uuid, reason).map_err(Into::into),
+                crate::general::report_node(node_pubkey, contract_id, reason).map_err(Into::into),
             )
         }
         _ => {
@@ -104,26 +104,26 @@ fn handle_deploy(
 }
 
 fn handle_inspect(inspect_match: &ArgMatches) {
-    let uuid: String = inspect_match.get_one::<String>("uuid").unwrap().clone();
+    let app_id: String = inspect_match.get_one::<String>("id").unwrap().clone();
     if *inspect_match.get_one::<bool>("show-node").unwrap() {
-        cli_print(block_on(get_app_node_by_contract(&uuid)).map_err(Into::into));
+        cli_print(block_on(get_app_node_by_contract(&app_id)).map_err(Into::into));
     } else {
-        cli_print(block_on(get_one_contract(&uuid)).map_err(Into::into))
+        cli_print(block_on(get_one_contract(&app_id)).map_err(Into::into))
     }
 }
 
 fn handle_delete(
     delete_match: &ArgMatches,
 ) -> Result<AppDeleteResponse, Box<dyn std::error::Error>> {
-    let app_uuid = delete_match
-        .get_one::<String>("uuid")
-        .ok_or_else(|| panic!("uuid argument required"))
+    let app_id = delete_match
+        .get_one::<String>("id")
+        .ok_or_else(|| panic!("app ID argument required"))
         .unwrap()
         .to_owned();
 
-    match block_on(delete_app(app_uuid.clone())) {
+    match block_on(delete_app(app_id.clone())) {
         Ok(_) => Ok(AppDeleteResponse {
-            uuid: app_uuid,
+            app_id,
             message: "App deleted successfully".to_string(),
         }),
         Err(e) => {
@@ -148,7 +148,7 @@ fn handle_list(list_matche: &ArgMatches) -> Result<Vec<AppContract>, Box<dyn std
     let contracts: Vec<AppContract> =
         block_on(list_contracts(req))?.into_iter().map(|n| n.into()).collect();
 
-    write_uuid_list(&contracts)?;
+    write_app_id_list(&contracts)?;
 
     Ok(contracts)
 }
@@ -178,28 +178,28 @@ fn handle_config_sub_validate(
 fn handle_config_sub_update(
     update_matche: &ArgMatches,
 ) -> Result<SimpleOutput, Box<dyn std::error::Error>> {
-    if let (Some(file_path), Some(uuid)) =
-        (update_matche.get_one::<String>("config"), update_matche.get_one::<String>("uuid"))
+    if let (Some(file_path), Some(app_id)) =
+        (update_matche.get_one::<String>("config"), update_matche.get_one::<String>("id"))
     {
         let loaded_config = validate_yaml(file_path).unwrap();
-        match block_on(update_config(uuid, loaded_config)) {
+        match block_on(update_config(app_id, loaded_config)) {
             Ok(_) => Ok(SimpleOutput::from("App launch config updated successfully")),
             Err(e) => Err(Box::new(std::io::Error::other(format!(
                 "Could not attest and update app launch config due to error: {e}"
             )))),
         }
     } else {
-        Err(Box::new(std::io::Error::other("uuid and config arguments required")))
+        Err(Box::new(std::io::Error::other("id and config arguments required")))
     }
 }
 
 fn handle_config_sub_get(
     get_matche: &ArgMatches,
 ) -> Result<SimpleOutput, Box<dyn std::error::Error>> {
-    if let (Some(file_path_to_save), Some(uuid)) =
-        (get_matche.get_one::<String>("path"), get_matche.get_one::<String>("uuid"))
+    if let (Some(file_path_to_save), Some(app_id)) =
+        (get_matche.get_one::<String>("path"), get_matche.get_one::<String>("id"))
     {
-        match block_on(get_config(uuid)) {
+        match block_on(get_config(app_id)) {
             Ok(config) => {
                 let config_yaml = serde_yaml::to_string(&config).unwrap();
                 std::fs::write(file_path_to_save, config_yaml).unwrap();
@@ -212,6 +212,6 @@ fn handle_config_sub_get(
             )))),
         }
     } else {
-        Err(Box::new(std::io::Error::other("path and uuid arguments required")))
+        Err(Box::new(std::io::Error::other("path and id arguments required")))
     }
 }
diff --git a/src/sgx/deploy.rs b/src/sgx/deploy.rs
index df47f35..fcaa2ba 100644
--- a/src/sgx/deploy.rs
+++ b/src/sgx/deploy.rs
@@ -6,7 +6,7 @@ use crate::sgx::utils::{
     calculate_nanocredits_for_app, fetch_config, hratls_url_and_mr_enclave_from_app_id,
 };
 use crate::sgx::{
-    append_uuid_list, package_entry_from_name, AppDeployResponse, Error, PackageElement,
+    append_app_id_list, package_entry_from_name, AppDeployResponse, Error, PackageElement,
 };
 use crate::snp;
 use detee_shared::app_proto::{AppNodeFilters, AppNodeListResp, AppResource, NewAppReq};
@@ -65,7 +65,7 @@ impl Reqwest {
         tokio::time::sleep(tokio::time::Duration::from_millis(2500)).await;
 
         let (hratls_uri, mr_enclave) =
-            hratls_url_and_mr_enclave_from_app_id(&new_app_res.uuid).await?;
+            hratls_url_and_mr_enclave_from_app_id(&new_app_res.app_id).await?;
 
         let mr_enclave = mr_enclave.expect("App contract does not have a mr_enclave");
 
@@ -88,7 +88,7 @@ impl Reqwest {
             let req = DtpmSetConfigReq { config_data, ..Default::default() };
             set_config_pb(req, &dtpm_client).await?;
 
-            append_uuid_list(&new_app_res.uuid, &self.app_name)?;
+            append_app_id_list(&new_app_res.app_id, &self.app_name)?;
             Ok((new_app_res, self.app_name).into())
         } else {
             Err(Error::Deployment(new_app_res.error))
@@ -159,7 +159,7 @@ impl Reqwest {
         let new_app_req = NewAppReq {
             node_pubkey: node.node_pubkey.clone(),
             resource,
-            uuid: "".to_string(),
+            app_id: "".to_string(),
             price_per_unit: node.price,
             locked_nano: nano_credits,
             app_name: self.app_name.clone(),
diff --git a/src/sgx/grpc_brain.rs b/src/sgx/grpc_brain.rs
index 4cebe3c..c033ac1 100644
--- a/src/sgx/grpc_brain.rs
+++ b/src/sgx/grpc_brain.rs
@@ -57,8 +57,8 @@ impl crate::HumanOutput for AppContract {
             .collect::<Vec<_>>()
             .join(", ");
         println!(
-            "The App {} has the UUID {}, and it runs on the node {}",
-            self.app_name, self.uuid, self.node_pubkey
+            "The App {} has the ID {}, and it runs on the node {}",
+            self.app_name, self.app_id, self.node_pubkey
         );
         println!("The app has mapped ports by the node are: {mapped_ports}");
         println!(
@@ -92,9 +92,9 @@ pub async fn new_app(req: NewAppReq) -> Result<NewAppRes> {
     }
 }
 
-pub async fn delete_app(app_uuid: String) -> Result<()> {
+pub async fn delete_app(app_id: String) -> Result<()> {
     let admin_pubkey = Config::get_detee_wallet()?;
-    let delete_req = DelAppReq { uuid: app_uuid, admin_pubkey };
+    let delete_req = DelAppReq { app_id: app_id, admin_pubkey };
     let client = client().await?;
     let _ = call_with_follow_redirect!(client, delete_req, delete_app).await?;
     Ok(())
diff --git a/src/sgx/grpc_dtpm.rs b/src/sgx/grpc_dtpm.rs
index 0e3eea8..5e6d617 100644
--- a/src/sgx/grpc_dtpm.rs
+++ b/src/sgx/grpc_dtpm.rs
@@ -64,8 +64,8 @@ pub async fn dtpm_client(
     Ok(DtpmConfigManagerClient::new(channel).send_compressed(CompressionEncoding::Zstd))
 }
 
-pub async fn update_config(app_uuid: &str, config: DtpmConfig) -> Result<()> {
-    let (hratls_uri, mr_enclave) = hratls_url_and_mr_enclave_from_app_id(app_uuid).await?;
+pub async fn update_config(app_id: &str, config: DtpmConfig) -> Result<()> {
+    let (hratls_uri, mr_enclave) = hratls_url_and_mr_enclave_from_app_id(app_id).await?;
     let mr_enclave = mr_enclave.expect("App contract does not have a mr_enclave");
 
     let dtpm_client = dtpm_client(&hratls_uri, &mr_enclave).await?;
@@ -76,8 +76,8 @@ pub async fn update_config(app_uuid: &str, config: DtpmConfig) -> Result<()> {
     Ok(())
 }
 
-pub async fn get_config(app_uuid: &str) -> Result<DtpmConfig> {
-    let (hratls_uri, mr_enclave) = hratls_url_and_mr_enclave_from_app_id(app_uuid).await?;
+pub async fn get_config(app_id: &str) -> Result<DtpmConfig> {
+    let (hratls_uri, mr_enclave) = hratls_url_and_mr_enclave_from_app_id(app_id).await?;
     let mr_enclave = mr_enclave.expect("App contract does not have a mr_enclave");
 
     let dtpm_client = dtpm_client(&hratls_uri, &mr_enclave).await?;
diff --git a/src/sgx/mod.rs b/src/sgx/mod.rs
index b72bda8..a8097ed 100644
--- a/src/sgx/mod.rs
+++ b/src/sgx/mod.rs
@@ -46,8 +46,8 @@ pub enum Error {
 pub struct AppContract {
     #[tabled(rename = "Location")]
     pub location: String,
-    #[tabled(rename = "UUID pfx", display_with = "shorten_string")]
-    pub uuid: String,
+    #[tabled(rename = "Short ID", display_with = "shorten_string")]
+    pub app_id: String,
     pub name: String,
     #[tabled(rename = "Cores")]
     pub vcpus: u32,
@@ -157,7 +157,7 @@ impl From<AppContractPB> for AppContract {
 
         Self {
             location,
-            uuid: brain_app_contract.uuid,
+            app_id: brain_app_contract.app_id,
             name: brain_app_contract.app_name,
             vcpus,
             memory_mib,
@@ -173,24 +173,24 @@ impl From<AppContractPB> for AppContract {
     }
 }
 
-pub async fn get_one_contract(uuid: &str) -> Result<AppContractPB, Error> {
+pub async fn get_one_contract(app_id: &str) -> Result<AppContractPB, Error> {
     let req = ListAppContractsReq {
         admin_pubkey: Config::get_detee_wallet()?,
-        uuid: uuid.to_string(),
+        app_id: app_id.to_string(),
         ..Default::default()
     };
     let contracts = grpc_brain::list_contracts(req).await?;
 
     if contracts.is_empty() {
-        return Err(Error::AppContractNotFound(uuid.to_string()));
+        return Err(Error::AppContractNotFound(app_id.to_string()));
     }
-    // let _ = write_uuid_list(&contracts);
+    // let _ = write_app_id_list(&contracts);
     Ok(contracts[0].clone())
 }
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct AppDeployResponse {
-    pub uuid: String,
+    pub app_id: String,
     pub name: String,
     pub node_ip: String,
     pub hratls_port: u32,
@@ -199,14 +199,14 @@ pub struct AppDeployResponse {
 
 impl crate::HumanOutput for AppDeployResponse {
     fn human_cli_print(&self) {
-        println!("The application got deployed under the UUID: {}", self.uuid);
+        println!("The application got deployed under the ID: {}", self.app_id);
     }
 }
 
 impl From<(NewAppRes, String)> for AppDeployResponse {
     fn from((value, name): (NewAppRes, String)) -> Self {
         Self {
-            uuid: value.uuid,
+            app_id: value.app_id,
             name,
             node_ip: value.ip_address,
             hratls_port: value
@@ -222,13 +222,13 @@ impl From<(NewAppRes, String)> for AppDeployResponse {
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct AppDeleteResponse {
-    pub uuid: String,
+    pub app_id: String,
     pub message: String,
 }
 
 impl crate::HumanOutput for AppDeleteResponse {
     fn human_cli_print(&self) {
-        println!("App deleted successfully: UUID: {}", self.uuid);
+        println!("App deleted successfully: ID: {}", self.app_id);
     }
 }
 
@@ -279,18 +279,18 @@ pub fn print_nodes() -> Result<Vec<AppNodeListResp>, Error> {
     Ok(block_on(grpc_brain::get_app_node_list(req))?)
 }
 
-pub async fn get_app_node_by_contract(uuid: &str) -> Result<AppNodeListResp, Error> {
-    let contract = get_one_contract(uuid).await?;
+pub async fn get_app_node_by_contract(app_id: &str) -> Result<AppNodeListResp, Error> {
+    let contract = get_one_contract(app_id).await?;
     Ok(get_one_app_node(AppNodeFilters { node_pubkey: contract.node_pubkey, ..Default::default() })
         .await?)
 }
 
-fn write_uuid_list(app_contracts: &[AppContract]) -> Result<(), Error> {
-    let app_uuid_list_path = Config::app_uuid_list_path()?;
-    let mut file = std::fs::File::create(app_uuid_list_path)?;
+fn write_app_id_list(app_contracts: &[AppContract]) -> Result<(), Error> {
+    let app_app_id_list_path = Config::app_id_list_path()?;
+    let mut file = std::fs::File::create(app_app_id_list_path)?;
     let output: String = app_contracts
         .iter()
-        .map(|app| format!("{}\t{}", app.uuid, app.name).to_string())
+        .map(|app| format!("{}\t{}", app.app_id, app.name).to_string())
         .collect::<Vec<String>>()
         .join("\n");
     let output = output + "\n";
@@ -298,11 +298,11 @@ fn write_uuid_list(app_contracts: &[AppContract]) -> Result<(), Error> {
     Ok(())
 }
 
-pub fn append_uuid_list(uuid: &str, app_name: &str) -> Result<(), Error> {
+pub fn append_app_id_list(app_id: &str, app_name: &str) -> Result<(), Error> {
     use std::fs::OpenOptions;
     use std::io::prelude::*;
     let mut file =
-        OpenOptions::new().create(true).append(true).open(Config::app_uuid_list_path()?).unwrap();
-    writeln!(file, "{uuid}\t{app_name}")?;
+        OpenOptions::new().create(true).append(true).open(Config::app_id_list_path()?).unwrap();
+    writeln!(file, "{app_id}\t{app_name}")?;
     Ok(())
 }
diff --git a/src/snp/cli_handler.rs b/src/snp/cli_handler.rs
index 732e7ef..9a4c15d 100644
--- a/src/snp/cli_handler.rs
+++ b/src/snp/cli_handler.rs
@@ -10,11 +10,11 @@ pub fn handle_vm(matches: &ArgMatches) {
         Some(("ssh", args)) => cli_print(handle_vm_ssh(args)),
         Some(("list", args)) => cli_print(handle_vm_list(args)),
         Some(("inspect", inspect_args)) => {
-            let uuid: String = inspect_args.get_one::<String>("uuid").unwrap().clone();
+            let vm_id: String = inspect_args.get_one::<String>("id").unwrap().clone();
             if *inspect_args.get_one::<bool>("show-node").unwrap() {
-                cli_print(snp::get_node_by_contract(&uuid).map_err(Into::into));
+                cli_print(snp::get_node_by_contract(&vm_id).map_err(Into::into));
             } else {
-                cli_print(snp::get_one_contract(&uuid).map_err(Into::into));
+                cli_print(snp::get_one_contract(&vm_id).map_err(Into::into));
             }
         }
         Some(("update", args)) => cli_print(handle_vm_update(args)),
@@ -41,10 +41,10 @@ pub fn handle_vm_nodes(matches: &ArgMatches) {
         }
         Some(("report", path_subcommand)) => {
             let node_pubkey: String = path_subcommand.get_one::<String>("pubkey").unwrap().clone();
-            let contract_uuid: String =
+            let contract_id: String =
                 path_subcommand.get_one::<String>("contract").unwrap().clone();
             let reason: String = path_subcommand.get_one::<String>("reason").unwrap().clone();
-            cli_print(general::report_node(node_pubkey, contract_uuid, reason).map_err(Into::into))
+            cli_print(general::report_node(node_pubkey, contract_id, reason).map_err(Into::into))
         }
         _ => {
             println!("Available commands are search, inspect and report. Use --help for more information.")
@@ -89,8 +89,8 @@ fn handle_vm_deploy(matches: &ArgMatches) -> Result<snp::VmSshArgs, Box<dyn Erro
 }
 
 fn handle_vm_ssh(ssh_args: &ArgMatches) -> Result<snp::VmSshArgs, Box<dyn Error>> {
-    let uuid: String = ssh_args.get_one::<String>("uuid").unwrap().clone();
-    Ok(snp::ssh(&uuid, *ssh_args.get_one::<bool>("just-print").unwrap())?)
+    let vm_id: String = ssh_args.get_one::<String>("id").unwrap().clone();
+    Ok(snp::ssh(&vm_id, *ssh_args.get_one::<bool>("just-print").unwrap())?)
 }
 
 fn handle_vm_list(update_vm_args: &ArgMatches) -> Result<Vec<snp::VmContract>, Box<dyn Error>> {
@@ -98,12 +98,12 @@ fn handle_vm_list(update_vm_args: &ArgMatches) -> Result<Vec<snp::VmContract>, B
 }
 
 fn handle_vm_update(update_vm_args: &ArgMatches) -> Result<SimpleOutput, Box<dyn Error>> {
-    let uuid = update_vm_args.get_one::<String>("uuid").unwrap().clone();
+    let vm_id = update_vm_args.get_one::<String>("id").unwrap().clone();
     let hostname = update_vm_args.get_one::<String>("hostname").unwrap().clone();
     let memory = *update_vm_args.get_one::<u32>("memory").unwrap();
     snp::update::Request::process_request(
         hostname,
-        &uuid,
+        &vm_id,
         *update_vm_args.get_one::<u32>("vcpus").unwrap(),
         memory,
         *update_vm_args.get_one::<u32>("disk").unwrap(),
@@ -111,14 +111,14 @@ fn handle_vm_update(update_vm_args: &ArgMatches) -> Result<SimpleOutput, Box<dyn
     )?;
     let hours = *update_vm_args.get_one::<u32>("hours").unwrap();
     if hours != 0 {
-        snp::update::expand_vm_hours(&uuid, hours)?;
+        snp::update::expand_vm_hours(&vm_id, hours)?;
     }
     Ok(SimpleOutput::from("VM successfully updated."))
 }
 
 fn handle_vm_delete(delete_args: &ArgMatches) -> Result<SimpleOutput, Box<dyn Error>> {
-    let uuid: String = delete_args.get_one::<String>("uuid").unwrap().clone();
-    snp::delete_contract(&uuid)?;
+    let vm_id: String = delete_args.get_one::<String>("id").unwrap().clone();
+    snp::delete_contract(&vm_id)?;
     Ok(SimpleOutput::from("VM successfully deleted."))
 }
 
diff --git a/src/snp/deploy.rs b/src/snp/deploy.rs
index 7d4dca6..b05663f 100644
--- a/src/snp/deploy.rs
+++ b/src/snp/deploy.rs
@@ -56,7 +56,7 @@ impl Request {
         };
         let args = new_vm_resp.args.ok_or(Error::NoMeasurement)?;
         let measurement_args = injector::Args {
-            uuid: new_vm_resp.uuid.clone(),
+            vm_id: new_vm_resp.vm_id.clone(),
             vcpus,
             kernel: kernel_sha,
             initrd: dtrfs_sha,
@@ -75,9 +75,9 @@ impl Request {
             Some((&template_url, &template_sha)),
             &self.hostname,
         )?;
-        ssh_args.uuid = new_vm_resp.uuid;
+        ssh_args.vm_id = new_vm_resp.vm_id;
         ssh_args.hostname = self.hostname.clone();
-        let _ = super::append_uuid_list(&ssh_args.uuid, &ssh_args.hostname);
+        let _ = super::append_vm_id_list(&ssh_args.vm_id, &ssh_args.hostname);
         Ok(ssh_args)
     }
 
@@ -168,7 +168,7 @@ impl Request {
         node_pubkey: &str,
         offer: &proto::VmNodeOffer,
     ) -> Option<proto::NewVmReq> {
-        if offer.vcpus == 0 {
+        if offer.vcpus == 0 || offer.memory_mib == 0 || offer.disk_mib == 0 {
             return None;
         }
         let memory_per_cpu = offer.memory_mib / offer.vcpus;
@@ -215,7 +215,7 @@ impl Request {
         );
 
         let brain_req = proto::NewVmReq {
-            uuid: String::new(),
+            vm_id: String::new(),
             hostname: self.hostname.clone(),
             admin_pubkey,
             node_pubkey: node_pubkey.to_string(),
diff --git a/src/snp/grpc.rs b/src/snp/grpc.rs
index 9224cf6..275e4be 100644
--- a/src/snp/grpc.rs
+++ b/src/snp/grpc.rs
@@ -8,7 +8,6 @@ pub mod proto {
 use crate::call_with_follow_redirect;
 use crate::config::Config;
 use crate::utils::{self, sign_request};
-use lazy_static::lazy_static;
 use log::{debug, info, warn};
 use proto::brain_vm_cli_client::BrainVmCliClient;
 use proto::{
@@ -19,14 +18,6 @@ use tokio_stream::StreamExt;
 use tonic::metadata::errors::InvalidMetadataValue;
 use tonic::transport::Channel;
 
-lazy_static! {
-    static ref SECURE_PUBLIC_KEY: String = use_default_string();
-}
-
-fn use_default_string() -> String {
-    "ThisIsMyEternalClient".to_string()
-}
-
 #[derive(thiserror::Error, Debug)]
 pub enum Error {
     #[error("Failed to connect to the brain: {0}")]
@@ -55,8 +46,8 @@ pub enum Error {
 impl crate::HumanOutput for VmContract {
     fn human_cli_print(&self) {
         println!(
-            "The VM {} has the UUID {}, and it runs on the node {}",
-            self.hostname, self.uuid, self.node_pubkey
+            "The VM {} has the ID {}, and it runs on the node {}",
+            self.hostname, self.vm_id, self.node_pubkey
         );
         if self.vm_public_ipv4.is_empty() {
             println!(
@@ -168,9 +159,9 @@ pub async fn list_contracts(req: ListVmContractsReq) -> Result<Vec<VmContract>,
     Ok(contracts)
 }
 
-pub async fn delete_vm(uuid: &str) -> Result<(), Error> {
+pub async fn delete_vm(vm_id: &str) -> Result<(), Error> {
     let client = client().await?;
-    let req = DeleteVmReq { uuid: uuid.to_string(), admin_pubkey: Config::get_detee_wallet()? };
+    let req = DeleteVmReq { vm_id: vm_id.to_string(), admin_pubkey: Config::get_detee_wallet()? };
     match call_with_follow_redirect!(client, req, delete_vm).await {
         Ok(confirmation) => {
             log::debug!("VM deletion confirmation: {confirmation:?}");
@@ -183,9 +174,9 @@ pub async fn delete_vm(uuid: &str) -> Result<(), Error> {
     Ok(())
 }
 
-pub async fn extend_vm(uuid: String, admin_pubkey: String, locked_nano: u64) -> Result<(), Error> {
+pub async fn extend_vm(vm_id: String, admin_pubkey: String, locked_nano: u64) -> Result<(), Error> {
     let mut client = client().await?;
-    let req = ExtendVmReq { admin_pubkey, uuid, locked_nano };
+    let req = ExtendVmReq { admin_pubkey, vm_id, locked_nano };
     let result = client.extend_vm(sign_request(req)?).await;
     match result {
         Ok(confirmation) => {
@@ -225,16 +216,16 @@ pub async fn update_vm(req: UpdateVmReq) -> Result<UpdateVmResp, Error> {
     }
 }
 
-pub async fn get_contract_by_uuid(uuid: &str) -> Result<VmContract, Error> {
+pub async fn get_contract_by_id(vm_id: &str) -> Result<VmContract, Error> {
     let req = ListVmContractsReq {
         wallet: Config::get_detee_wallet()?,
-        uuid: uuid.to_string(),
+        vm_id: vm_id.to_string(),
         ..Default::default()
     };
     let contracts = list_contracts(req).await?;
     if contracts.is_empty() {
-        log::error!("Could not find any contract by ID {uuid}");
-        return Err(Error::VmContractNotFound(uuid.to_string()));
+        log::error!("Could not find any contract by ID {vm_id}");
+        return Err(Error::VmContractNotFound(vm_id.to_string()));
     }
     Ok(contracts[0].clone())
 }
diff --git a/src/snp/injector.rs b/src/snp/injector.rs
index f2195f0..efc12fe 100644
--- a/src/snp/injector.rs
+++ b/src/snp/injector.rs
@@ -7,7 +7,7 @@ use std::net::IpAddr;
 
 #[derive(Debug)]
 pub struct Args {
-    pub uuid: String,
+    pub vm_id: String,
     pub vcpus: u32,
     pub kernel: String,
     pub initrd: String,
@@ -100,9 +100,9 @@ impl Args {
             ip_string = "detee_net_eth0=10.0.2.15_24_10.0.2.2 ".to_string() + &ip_string;
         }
         let admin_key = format!("detee_admin={} ", Config::get_detee_wallet()?);
-        let hostname = format!("detee_uuid={}", self.uuid);
+        let hostname = format!("detee_vm_id={}", self.vm_id);
         let params = format!("{}{}{}", ip_string, admin_key, hostname);
-        debug!("Calculated kernel params for {} to: {}", self.uuid, params);
+        debug!("Calculated kernel params for {} to: {}", self.vm_id, params);
         Ok(params)
     }
 }
diff --git a/src/snp/mod.rs b/src/snp/mod.rs
index 85e77ae..a67bde1 100644
--- a/src/snp/mod.rs
+++ b/src/snp/mod.rs
@@ -64,7 +64,7 @@ impl From<&str> for Location {
 
 #[derive(Serialize, Default)]
 pub struct VmSshArgs {
-    uuid: String,
+    vm_id: String,
     hostname: String,
     ip: String,
     port: String,
@@ -74,7 +74,7 @@ pub struct VmSshArgs {
 
 impl crate::HumanOutput for VmSshArgs {
     fn human_cli_print(&self) {
-        println!("To SSH into {} (UUID: {}), run the following command:", self.hostname, self.uuid);
+        println!("To SSH into {} (ID: {}), run the following command:", self.hostname, self.vm_id);
         println!("    ssh -i {} -p {} {}@{}", self.key_path, self.port, self.user, self.ip);
     }
 }
@@ -84,7 +84,7 @@ impl TryFrom<grpc::proto::VmContract> for VmSshArgs {
 
     fn try_from(contract: grpc::proto::VmContract) -> Result<Self, Self::Error> {
         let mut args = VmSshArgs { ..Default::default() };
-        args.uuid = contract.uuid;
+        args.vm_id = contract.vm_id;
         args.hostname = contract.hostname;
         args.user = "root".to_string();
         args.key_path =
@@ -176,8 +176,8 @@ impl Distro {
 pub struct VmContract {
     #[tabled(rename = "Location")]
     pub location: String,
-    #[tabled(rename = "UUID pfx", display_with = "shorten_string")]
-    pub uuid: String,
+    #[tabled(rename = "short ID", display_with = "shorten_string")]
+    pub vm_id: String,
     pub hostname: String,
     #[tabled(rename = "Cores")]
     pub vcpus: u64,
@@ -210,7 +210,7 @@ fn display_mins(minutes: &u64) -> String {
 impl From<proto::VmContract> for VmContract {
     fn from(brain_contract: proto::VmContract) -> Self {
         Self {
-            uuid: brain_contract.uuid,
+            vm_id: brain_contract.vm_id,
             hostname: brain_contract.hostname,
             vcpus: brain_contract.vcpus as u64,
             mem: brain_contract.memory_mb as u64,
@@ -273,16 +273,16 @@ impl From<proto::VmNodeListResp> for TabledVmNode {
     }
 }
 
-pub fn ssh(uuid: &str, just_print: bool) -> Result<VmSshArgs, Error> {
-    log::info!("Getting VM information about {uuid} from brain...");
+pub fn ssh(vm_id: &str, just_print: bool) -> Result<VmSshArgs, Error> {
+    log::info!("Getting VM information about {vm_id} from brain...");
     let req = proto::ListVmContractsReq {
         wallet: Config::get_detee_wallet()?,
-        uuid: uuid.to_string(),
+        vm_id: vm_id.to_string(),
         ..Default::default()
     };
     let contracts = block_on(snp::grpc::list_contracts(req))?;
     if contracts.is_empty() {
-        return Err(Error::VmContractNotFound(uuid.to_string()));
+        return Err(Error::VmContractNotFound(vm_id.to_string()));
     }
     let args: VmSshArgs = contracts[0].clone().try_into()?;
     if just_print {
@@ -308,30 +308,30 @@ pub fn ssh(uuid: &str, just_print: bool) -> Result<VmSshArgs, Error> {
     std::process::exit(2);
 }
 
-pub fn get_one_contract(uuid: &str) -> Result<proto::VmContract, Error> {
-    log::debug!("Getting contract {uuid} from brain...");
+pub fn get_one_contract(vm_id: &str) -> Result<proto::VmContract, Error> {
+    log::debug!("Getting contract {vm_id} from brain...");
     let req = proto::ListVmContractsReq {
         wallet: Config::get_detee_wallet()?,
-        uuid: uuid.to_string(),
+        vm_id: vm_id.to_string(),
         ..Default::default()
     };
     let contracts = block_on(snp::grpc::list_contracts(req))?;
     if contracts.is_empty() {
-        return Err(Error::VmContractNotFound(uuid.to_string()));
+        return Err(Error::VmContractNotFound(vm_id.to_string()));
     }
     Ok(contracts[0].clone())
 }
 
-pub fn get_node_by_contract(uuid: &str) -> Result<proto::VmNodeListResp, Error> {
-    let contract = get_one_contract(uuid)?;
+pub fn get_node_by_contract(vm_id: &str) -> Result<proto::VmNodeListResp, Error> {
+    let contract = get_one_contract(vm_id)?;
     Ok(block_on(snp::grpc::get_one_node(proto::VmNodeFilters {
         node_pubkey: contract.node_pubkey,
         ..Default::default()
     }))?)
 }
 
-pub fn delete_contract(uuid: &str) -> Result<(), Error> {
-    Ok(block_on(snp::grpc::delete_vm(uuid))?)
+pub fn delete_contract(vm_id: &str) -> Result<(), Error> {
+    Ok(block_on(snp::grpc::delete_vm(vm_id))?)
 }
 
 pub fn list_contracts(as_operator: bool) -> Result<Vec<VmContract>, Error> {
@@ -342,16 +342,16 @@ pub fn list_contracts(as_operator: bool) -> Result<Vec<VmContract>, Error> {
     };
     let contracts: Vec<VmContract> =
         block_on(grpc::list_contracts(req))?.into_iter().map(|n| n.into()).collect();
-    let _ = write_uuid_list(&contracts);
+    let _ = write_vm_id_list(&contracts);
     Ok(contracts)
 }
 
-fn write_uuid_list(contracts: &[VmContract]) -> Result<(), Error> {
-    let vm_uuid_list_path = Config::vm_uuid_list_path()?;
-    let mut file = std::fs::File::create(vm_uuid_list_path)?;
+fn write_vm_id_list(contracts: &[VmContract]) -> Result<(), Error> {
+    let vm_id_list_path = Config::vm_id_list_path()?;
+    let mut file = std::fs::File::create(vm_id_list_path)?;
     let output: String = contracts
         .iter()
-        .map(|vm| format!("{}\t{}", vm.uuid, vm.hostname).to_string())
+        .map(|vm| format!("{}\t{}", vm.vm_id, vm.hostname).to_string())
         .collect::<Vec<String>>()
         .join("\n");
     let output = output + "\n";
@@ -359,12 +359,12 @@ fn write_uuid_list(contracts: &[VmContract]) -> Result<(), Error> {
     Ok(())
 }
 
-pub fn append_uuid_list(uuid: &str, hostname: &str) -> Result<(), Error> {
+pub fn append_vm_id_list(vm_id: &str, hostname: &str) -> Result<(), Error> {
     use std::fs::OpenOptions;
     use std::io::prelude::*;
     let mut file =
-        OpenOptions::new().create(true).append(true).open(Config::vm_uuid_list_path()?)?;
-    writeln!(file, "{uuid}\t{hostname}")?;
+        OpenOptions::new().create(true).append(true).open(Config::vm_id_list_path()?)?;
+    writeln!(file, "{vm_id}\t{hostname}")?;
     Ok(())
 }
 
diff --git a/src/snp/update.rs b/src/snp/update.rs
index c35e1b0..b3b7538 100644
--- a/src/snp/update.rs
+++ b/src/snp/update.rs
@@ -18,7 +18,7 @@ pub struct Request {
 impl Request {
     pub fn process_request(
         hostname: String,
-        uuid: &str,
+        vm_id: &str,
         vcpus: u32,
         memory_mb: u32,
         disk_size_gb: u32,
@@ -39,19 +39,19 @@ impl Request {
             return Ok(());
         }
         log::info!("Starting VM updated based on req: {req:#?}");
-        req.update(uuid)
+        req.update(vm_id)
     }
 
-    fn update(&self, uuid: &str) -> Result<(), Error> {
+    fn update(&self, vm_id: &str) -> Result<(), Error> {
         info!("Starting the process of updating the VM. {self:?}");
-        let update_vm_resp = self.send_update_vm_request(uuid)?;
+        let update_vm_resp = self.send_update_vm_request(vm_id)?;
         debug!("The response for Update VM is: {update_vm_resp:#?}");
         if !update_vm_resp.error.is_empty() {
             return Err(Error::Node(update_vm_resp.error));
         }
 
         eprintln!("The modifications got approved. Proceeding with update...");
-        let updated_contract = block_on(grpc::get_contract_by_uuid(uuid))?;
+        let updated_contract = block_on(grpc::get_contract_by_id(vm_id))?;
         debug!("Got the current contract for the VM after update. {updated_contract:#?}");
 
         if !(self.vcpus != 0 || self.memory_mib != 0 || self.dtrfs.is_some()) {
@@ -61,7 +61,7 @@ impl Request {
 
         let args = update_vm_resp.args.ok_or(Error::NoMeasurement)?;
         let measurement_args = injector::Args {
-            uuid: update_vm_resp.uuid,
+            vm_id: update_vm_resp.vm_id,
             vcpus: updated_contract.vcpus,
             kernel: updated_contract.kernel_sha,
             initrd: updated_contract.dtrfs_sha,
@@ -75,13 +75,13 @@ impl Request {
     }
 
     // returns node IP and data regarding the new VM
-    fn send_update_vm_request(&self, uuid: &str) -> Result<proto::UpdateVmResp, Error> {
+    fn send_update_vm_request(&self, vm_id: &str) -> Result<proto::UpdateVmResp, Error> {
         let (kernel_url, kernel_sha, dtrfs_url, dtrfs_sha) = match self.dtrfs.clone() {
             Some(dtrfs) => (dtrfs.kernel_url, dtrfs.kernel_sha, dtrfs.dtrfs_url, dtrfs.dtrfs_sha),
             None => (String::new(), String::new(), String::new(), String::new()),
         };
         Ok(block_on(grpc::update_vm(proto::UpdateVmReq {
-            uuid: uuid.to_string(),
+            vm_id: vm_id.to_string(),
             hostname: self.hostname.clone(),
             admin_pubkey: Config::get_detee_wallet()?,
             disk_size_mib: self.disk_size_mib * 1024,
@@ -95,10 +95,10 @@ impl Request {
     }
 }
 
-pub fn expand_vm_hours(uuid: &str, hours: u32) -> Result<(), Error> {
-    let contract = super::get_one_contract(uuid)?;
+pub fn expand_vm_hours(vm_id: &str, hours: u32) -> Result<(), Error> {
+    let contract = super::get_one_contract(vm_id)?;
     // vcpus: u32, memory_mb: u32, disk_size_gb: u32, public_ipv4: bool, hours: u32, node_price:
     let locked_nano = contract.nano_per_minute * 60 * (hours as u64);
-    block_on(grpc::extend_vm(uuid.to_string(), Config::get_detee_wallet()?, locked_nano))?;
+    block_on(grpc::extend_vm(vm_id.to_string(), Config::get_detee_wallet()?, locked_nano))?;
     Ok(())
 }