diff --git a/offchain/Cargo.lock b/offchain/Cargo.lock
index d0298bc93..3a20a6250 100644
--- a/offchain/Cargo.lock
+++ b/offchain/Cargo.lock
@@ -2996,6 +2996,13 @@ version = "0.4.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b06a4cde4c0f271a446782e3eff8de789548ce57dbc8eca9292c27f4a42004b4"
 
+[[package]]
+name = "machine-hash"
+version = "0.1.0"
+dependencies = [
+ "contracts",
+]
+
 [[package]]
 name = "matchers"
 version = "0.1.0"
diff --git a/offchain/Cargo.toml b/offchain/Cargo.toml
index d580f90b3..04b376757 100644
--- a/offchain/Cargo.toml
+++ b/offchain/Cargo.toml
@@ -11,6 +11,7 @@ members = [
   "http-server",
   "indexer",
   "inspect-server",
+  "machine-hash",
   "redacted",
   "rollups-events",
   "rollups-http-client",
diff --git a/offchain/contracts/build.rs b/offchain/contracts/build.rs
index f5688851d..6de67d08b 100644
--- a/offchain/contracts/build.rs
+++ b/offchain/contracts/build.rs
@@ -15,7 +15,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         ("InputBox", "inputs/InputBox", "input_box.rs"),
         ("Authority", "consensus/authority/Authority", "authority.rs"),
         ("History", "history/History", "history.rs"),
-        // ("CartesiDApp", "dapp/CartesiDApp", "cartesi_dapp.rs"),
+        ("CartesiDApp", "dapp/CartesiDApp", "cartesi_dapp.rs"),
         // (
         //     "CartesiDAppFactory",
         //     "dapp/CartesiDAppFactory",
diff --git a/offchain/contracts/src/lib.rs b/offchain/contracts/src/lib.rs
index 0099444f5..f5ff7c1c8 100644
--- a/offchain/contracts/src/lib.rs
+++ b/offchain/contracts/src/lib.rs
@@ -15,3 +15,4 @@ macro_rules! contract {
 contract!(input_box);
 contract!(authority);
 contract!(history);
+contract!(cartesi_dapp); 
diff --git a/offchain/machine-hash/Cargo.lock b/offchain/machine-hash/Cargo.lock
new file mode 100644
index 000000000..f280f1a9d
--- /dev/null
+++ b/offchain/machine-hash/Cargo.lock
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diff --git a/offchain/machine-hash/Cargo.toml b/offchain/machine-hash/Cargo.toml
new file mode 100644
index 000000000..96f1b4c6c
--- /dev/null
+++ b/offchain/machine-hash/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "machine-hash"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+contracts = { path = "../contracts" }
\ No newline at end of file
diff --git a/offchain/machine-hash/Dockerfile b/offchain/machine-hash/Dockerfile
new file mode 100644
index 000000000..6f8d6f644
--- /dev/null
+++ b/offchain/machine-hash/Dockerfile
@@ -0,0 +1,30 @@
+FROM rust:1.70.0-bookworm AS chef
+
+ENV CARGO_REGISTRIES_CARTESI_INDEX=https://github.com/cartesi/crates-index
+RUN rustup component add rustfmt
+RUN cargo install cargo-chef
+
+# cargo chef prepare stage
+FROM chef AS planner
+
+WORKDIR /usr/src/app/offchain
+COPY . /usr/src/app
+RUN cargo chef prepare --recipe-path recipe.json --bin machine-hash
+
+# cargo chef cook stage
+FROM chef AS builder
+
+RUN <<EOF
+DEBIAN_FRONTEND="noninteractive" apt-get update
+DEBIAN_FRONTEND="noninteractive" apt-get install -y --no-install-recommends cmake libprotobuf-dev protobuf-compiler
+EOF
+
+WORKDIR /usr/src/app/offchain
+COPY --from=planner /usr/src/app/offchain/recipe.json recipe.json
+RUN cargo chef cook --release --recipe-path recipe.json
+
+WORKDIR /usr/src/app/offchain/machine-hash
+COPY . /usr/src/app
+
+RUN cargo install --path . --root /usr/local
+ENTRYPOINT [ "machine-hash" ]
\ No newline at end of file
diff --git a/offchain/machine-hash/src/main.rs b/offchain/machine-hash/src/main.rs
new file mode 100644
index 000000000..20f4ae90c
--- /dev/null
+++ b/offchain/machine-hash/src/main.rs
@@ -0,0 +1,8 @@
+use std::env;
+
+fn main() {
+    for argument in env::args() {
+        println!("{argument}");
+    }
+    println!("Hello, world!");
+}