diff --git a/README.md b/README.md
index a9737c5a..f0da52e8 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ The following examples are available.
   interactions of a store that sells restricted items, and supports payment in
   EUROe tokens (or generally any CIS2 token).
 
-- [track-and-trace](./track-and-trace/) demonstrates an example frontend, backend, and event indexer to track items along the supply chain.
+- [track-and-trace](./track-and-trace/) demonstrates an example frontend, backend, smart contract and event indexer to track items along the supply chain.
 
 ## Setup
 
diff --git a/trackAndTrace/scripts/README.md b/trackAndTrace/scripts/README.md
index c2355d7a..6b1741a5 100644
--- a/trackAndTrace/scripts/README.md
+++ b/trackAndTrace/scripts/README.md
@@ -4,20 +4,19 @@ This package contains a test script to facilitate filling the track and trace co
 
 There are a few options to configure the script:
 
-- `--node` is the endpoint to the Concordium node grpc v2 API.
+- `--node` is the endpoint to the Concordium node grpc v2 API. If not specified the default value `https://grpc.testnet.concordium.com:20000` is used.
 
-- `--module` must point to a compiled track-and-trace smart contract module with the name `track_and_trace.wasm.v1`.
-  This module will be used to create a new instance of the track-and-trace smart contract and fill it with data.
+- `--module` should point to a compiled track-and-trace smart contract module with e.g. the name `module.wasm.v1`. If not specified the default value `../smart-contract/concordium-out/module.wasm.v1` is used. The given module will be used to create a new instance of the track-and-trace smart contract and fill it with data.
  
-    You can generate the `track-and-trace.wasm.v1` file as follows:
-    - Navigate into the folder `https://github.com/Concordium/concordium-rust-smart-contracts/tree/main/examples/track-and-trace`.
-    - Compile the track-and-trace contract: `cargo concordium build -e -o ./concordium-out/track_and_trace.wasm.v1`.
-    - You can find the file `track_and_trace.wasm.v1` in `./concordium-out/track_and_trace.wasm.v1`.
+    You can generate the `module.wasm.v1` file as follows:
+    - Navigate into the folder `../smart-contract`.
+    - Compile the track-and-trace contract: `cargo concordium build -e -o ./concordium-out/module.wasm.v1`.
+    - You can find the file `module.wasm.v1` in `./concordium-out/module.wasm.v1`.
 
 - `--admin-key-file` **directory** with one key in the
   browser wallet export format. This key is used for all transactions executed by the script.
 
-- `--num-items` optional value to specify the number of items to be created in the track-and-trace smart contract. The default value is 1. The states of these items will be updated from 'Produced' -> 'InTransit' -> 'InStore' -> 'Sold'.
+- `--num-items` is the number of items to be created in the track-and-trace smart contract. The states of these items will be updated from 'Produced' -> 'InTransit' -> 'InStore' -> 'Sold'.
 
 ## Build
 
@@ -42,17 +41,14 @@ which can be run.
 To run the script use for example the following command in this folder:
 
 ```
-cargo run --release -- --node http://node.testnet.concordium.com:20000 --admin-key-file ./4SizPU2ipqQQza9Xa6fUkQBCDjyd1vTNUNDGbBeiRGpaJQc6qX.export --module ./track_and_trace.wasm.v1 --num-items 2
+cargo run --release -- --node https://grpc.testnet.concordium.com:20000 --admin-key-file ./4SizPU2ipqQQza9Xa6fUkQBCDjyd1vTNUNDGbBeiRGpaJQc6qX.export --module ../smart-contract/concordium-out/module.wasm.v1 --num-items 2
 ```
 
 assuming the wallet export file `/4SizPU2ipqQQza9Xa6fUkQBCDjyd1vTNUNDGbBeiRGpaJQc6qX.export` is in this directory.
 
  
-To get your account file (the `4SizPU2ipqQQza9Xa6fUkQBCDjyd1vTNUNDGbBeiRGpaJQc6qX.export` file in the above example), export it from the Concordium Browser wallet for web.
+To get your account file (the `4SizPU2ipqQQza9Xa6fUkQBCDjyd1vTNUNDGbBeiRGpaJQc6qX.export` file in the above example), export it from the [Concordium Browser wallet for web](http://developer.concordium.software/en/mainnet/net/guides/export-key.html).
 
-<img src="./pic/pic1.png"  width="200" />
-<img src="./pic/pic2.png"  width="200" />
-<img src="./pic/pic3.png"  width="200" />
 
 ###
 
diff --git a/trackAndTrace/scripts/pic/pic1.png b/trackAndTrace/scripts/pic/pic1.png
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diff --git a/trackAndTrace/scripts/pic/pic2.png b/trackAndTrace/scripts/pic/pic2.png
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diff --git a/trackAndTrace/scripts/pic/pic3.png b/trackAndTrace/scripts/pic/pic3.png
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diff --git a/trackAndTrace/scripts/src/main.rs b/trackAndTrace/scripts/src/main.rs
index 6f051ffe..48d6b795 100644
--- a/trackAndTrace/scripts/src/main.rs
+++ b/trackAndTrace/scripts/src/main.rs
@@ -13,7 +13,6 @@ use concordium_rust_sdk::{
     },
     v2::{self as sdk, BlockIdentifier},
 };
-use std::sync::Arc;
 use track_and_trace::*;
 
 pub enum TrackAndTraceContract {}
@@ -23,20 +22,19 @@ pub enum TrackAndTraceContract {}
 struct Args {
     #[arg(
         long = "node",
-        default_value = "http://node.testnet.concordium.com:20000",
+        default_value = "https://grpc.testnet.concordium.com:20000",
         help = "The endpoints are expected to point to concordium node grpc v2 API's.",
         global = true
     )]
     node_endpoint:   concordium_rust_sdk::v2::Endpoint,
     #[arg(
         long = "module",
-        default_value = "./track-and-trace.wasm.v1",
+        default_value = "../smart-contract/concordium-out/module.wasm.v1",
         help = "Source module from which to initialize the contract instances."
     )]
     module:          std::path::PathBuf,
     #[arg(
         long = "num-items",
-        default_value = "1",
         help = "Number of items to be created in the contract."
     )]
     num_items:       usize,
@@ -68,11 +66,9 @@ async fn main() -> anyhow::Result<()> {
         .context("Unable to establish connection to the node.")?;
 
     // Load account keys and sender address from a file
-    let keys: WalletAccount = WalletAccount::from_json_file(args.admin_keys_path)
+    let admin_key: WalletAccount = WalletAccount::from_json_file(args.admin_keys_path)
         .context("Could not read the keys file.")?;
 
-    let admin_key = Arc::new(keys);
-
     eprintln!("Starting script with admin account {}.", admin_key.address);
 
     // Deploy module
diff --git a/trackAndTrace/scripts/track_and_trace.wasm.v1 b/trackAndTrace/scripts/track_and_trace.wasm.v1
deleted file mode 100644
index 4b9c1abd..00000000
Binary files a/trackAndTrace/scripts/track_and_trace.wasm.v1 and /dev/null differ