diff --git a/.github/workflows/coverage-examples.yml b/.github/workflows/coverage-examples.yml
new file mode 100644
index 000000000..d284e3dd4
--- /dev/null
+++ b/.github/workflows/coverage-examples.yml
@@ -0,0 +1,67 @@
+name: Coverage examples
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+env:
+  RUSTFLAGS: "-D warnings"
+
+jobs:
+  coverage:
+    runs-on: ${{ matrix.platform }}
+    name: "${{ matrix.example }} - ${{ matrix.platform }}"
+    strategy:
+      matrix:
+        platform: [macos-latest]
+        toolchain: [nightly-2024-05-01-aarch64-apple-darwin]
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install Homebrew
+        run: |
+          /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
+      - name: Install LLVM
+        run: brew install llvm
+      - name: Add LLVM to PATH
+        run: echo "/opt/homebrew/opt/llvm/bin" >> $GITHUB_PATH
+      - name: Llvm version
+        run: llvm-config --version
+      - name: Clang version
+        run: clang --version
+      - name: "${{ matrix.toolchain }} with rustfmt, and wasm32"
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.toolchain }}
+          target: wasm32-unknown-unknown
+      - name: Set Default Toolchain
+        run: rustup override set ${{ matrix.toolchain }}
+      - name: Rust version
+        run: rustc --version --verbose
+      - name: Verify Rust Toolchain
+        run: rustup show
+      - name: Add rust-src component
+        run: rustup component add rust-src --toolchain ${{ matrix.toolchain }}
+      - name: Install wasmcov
+        run: cargo +${{ matrix.toolchain }} install wasmcov
+      - name: Create wasmcov directory
+        run: mkdir -p ${{ github.workspace }}/wasmcov
+      - name: Set WASMCOV_DIR environment variable
+        run: echo "WASMCOV_DIR=${{ github.workspace }}/wasmcov" >> $GITHUB_ENV
+      - name: Set up cache for near_sandbox directory
+        uses: actions/cache@v3
+        with:
+          path: ${{ github.workspace }}/wasmcov/near_sandbox
+          key: ${{ runner.os }}-near-sandbox-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-near-sandbox-${{ github.sha }}
+      - name: time version
+        run: cargo tree | grep time
+      - name: Build examples
+        env:
+          RUSTFLAGS: '-C link-arg=-s'
+        run: cd ./examples && ./build_wasm_test_all.sh
+      - name: Merge profdata files
+        env:
+          RUSTFLAGS: '-C link-arg=-s'
+        run: cd ./examples && ./merge_profdata.sh
\ No newline at end of file
diff --git a/examples/adder/Cargo.toml b/examples/adder/Cargo.toml
index bec5bafb9..d64044e70 100644
--- a/examples/adder/Cargo.toml
+++ b/examples/adder/Cargo.toml
@@ -9,6 +9,7 @@ crate-type = ["cdylib"]
 
 [dependencies]
 near-sdk = { path = "../../near-sdk" }
+wasmcov = { version = "0.2", optional = true }
 
 [dev-dependencies]
 near-workspaces = "0.11.1"
@@ -18,6 +19,9 @@ near-abi = "0.4.0"
 zstd = "0.13"
 near-sdk = { path = "../../near-sdk", features = ["unit-testing"] }
 
+[features]
+wasmcov = ["dep:wasmcov"]
+
 [profile.release]
 codegen-units = 1
 # Tell `rustc` to optimize for small code size.
diff --git a/examples/adder/build.sh b/examples/adder/build.sh
index 2b82f897e..e3a4e35d1 100755
--- a/examples/adder/build.sh
+++ b/examples/adder/build.sh
@@ -1,8 +1,15 @@
 #!/bin/bash
-TARGET="${CARGO_TARGET_DIR:-../../target}"
+
+if [ -n "$WASMCOV_DIR" ]; then
+    TARGET="${WASMCOV_DIR}/target"
+    BUILD_COMMAND="cargo wasmcov build -- --features wasmcov"
+else
+    TARGET="${CARGO_TARGET_DIR:-../../target}"
+    BUILD_COMMAND="cargo build"
+fi
+
 set -e
 cd "$(dirname $0)"
-
-cargo build --target wasm32-unknown-unknown --release
+$BUILD_COMMAND --target wasm32-unknown-unknown --release
 cp $TARGET/wasm32-unknown-unknown/release/adder.wasm ./res/
-#wasm-opt -Oz --output ./res/status_message.wasm ./res/status_message.wasm
+#wasm-opt -Oz --output ./res/status_message.wasm ./res/status_message.wasm
\ No newline at end of file
diff --git a/examples/adder/src/lib.rs b/examples/adder/src/lib.rs
index 079bcca8c..ba98141a9 100644
--- a/examples/adder/src/lib.rs
+++ b/examples/adder/src/lib.rs
@@ -1,5 +1,8 @@
 use near_sdk::near;
 
+#[cfg(all(feature = "wasmcov", target_family = "wasm"))]
+wasmcov::near::add_coverage!();
+
 #[near(serializers=[borsh, json])]
 pub struct Pair(u32, u32);
 
@@ -88,4 +91,4 @@ mod tests {
 
         Ok(())
     }
-}
+}
\ No newline at end of file
diff --git a/examples/build_wasm_test_all.sh b/examples/build_wasm_test_all.sh
new file mode 100755
index 000000000..f2c3f4c93
--- /dev/null
+++ b/examples/build_wasm_test_all.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+for d in "status-message"  $(ls -d */ | grep -v -e "status-message\/$"); do
+    if [ -d "$d" ]; then
+      echo "Processing directory $d"
+      echo "Building"
+      cd $d;
+      pwd
+      ./build.sh
+      echo "Testing"
+      cargo wasmcov test --near=1.40.0
+      cd ..
+      echo "End of processing of directory $d"
+    fi
+done
+
+
+
+
diff --git a/examples/callback-results/Cargo.toml b/examples/callback-results/Cargo.toml
index 52fafda73..87a01e2cd 100644
--- a/examples/callback-results/Cargo.toml
+++ b/examples/callback-results/Cargo.toml
@@ -9,6 +9,7 @@ crate-type = ["cdylib"]
 
 [dependencies]
 near-sdk = { path = "../../near-sdk" }
+wasmcov = { version = "0.2", optional = true }
 
 [dev-dependencies]
 near-workspaces = "0.11.1"
@@ -16,6 +17,9 @@ tokio = { version = "1.14", features = ["full"] }
 anyhow = "1.0"
 near-sdk = { path = "../../near-sdk", features = ["unit-testing"] }
 
+[features]
+wasmcov = ["dep:wasmcov"]
+
 [profile.release]
 codegen-units = 1
 # Tell `rustc` to optimize for small code size.
diff --git a/examples/callback-results/build.sh b/examples/callback-results/build.sh
index 969b4a995..a5b5f9bc3 100755
--- a/examples/callback-results/build.sh
+++ b/examples/callback-results/build.sh
@@ -1,6 +1,14 @@
 #!/bin/bash
-TARGET="${CARGO_TARGET_DIR:-../../target}"
+
+if [ -n "$WASMCOV_DIR" ]; then
+    TARGET="${WASMCOV_DIR}/target"
+    BUILD_COMMAND="cargo wasmcov build -- --features wasmcov"
+else
+    TARGET="${CARGO_TARGET_DIR:-../../target}"
+    BUILD_COMMAND="cargo build"
+fi
+
 set -e
 cd "$(dirname $0)"
-cargo build --target wasm32-unknown-unknown --release
-cp $TARGET/wasm32-unknown-unknown/release/callback_results.wasm ./res/
+$BUILD_COMMAND --target wasm32-unknown-unknown --release
+cp $TARGET/wasm32-unknown-unknown/release/callback_results.wasm ./res/
\ No newline at end of file
diff --git a/examples/callback-results/src/lib.rs b/examples/callback-results/src/lib.rs
index 1faa13e46..8b12056f1 100644
--- a/examples/callback-results/src/lib.rs
+++ b/examples/callback-results/src/lib.rs
@@ -1,6 +1,9 @@
 use near_sdk::require;
 use near_sdk::{env, near, Promise, PromiseError};
 
+#[cfg(all(feature = "wasmcov", target_family = "wasm"))]
+wasmcov::near::add_coverage!();
+
 const A_VALUE: u8 = 8;
 
 #[near(contract_state)]
@@ -122,4 +125,4 @@ mod tests {
 
         Ok(())
     }
-}
+}
\ No newline at end of file
diff --git a/examples/cross-contract-calls/Cargo.toml b/examples/cross-contract-calls/Cargo.toml
index 118779daf..372270001 100644
--- a/examples/cross-contract-calls/Cargo.toml
+++ b/examples/cross-contract-calls/Cargo.toml
@@ -4,6 +4,9 @@ version = "0.1.0"
 authors = ["Near Inc <hello@nearprotocol.com>"]
 edition = "2021"
 
+[dependencies]
+wasmcov = { version = "0.2", optional = true }
+
 [dev-dependencies]
 anyhow = "1.0"
 near-sdk = { path = "../../near-sdk", features = ["default", "unit-testing"] }
@@ -22,5 +25,8 @@ lto = true
 debug = false
 panic = "abort"
 
+[features]
+wasmcov = ["dep:wasmcov"]
+
 [workspace]
 members = ["high-level", "low-level"]
diff --git a/examples/cross-contract-calls/build.sh b/examples/cross-contract-calls/build.sh
index 4beeb0907..f892efd56 100755
--- a/examples/cross-contract-calls/build.sh
+++ b/examples/cross-contract-calls/build.sh
@@ -1,8 +1,15 @@
 #!/bin/bash
-TARGET="${CARGO_TARGET_DIR:-../../target}"
+
+if [ -n "$WASMCOV_DIR" ]; then
+    TARGET="${WASMCOV_DIR}/target"
+    BUILD_COMMAND="cargo wasmcov build -- --features wasmcov"
+else
+    TARGET="${CARGO_TARGET_DIR:-../../target}"
+    BUILD_COMMAND="cargo build"
+fi
+
 set -e
 cd "$(dirname $0)"
-
-cargo build --all --target wasm32-unknown-unknown --release
+$BUILD_COMMAND --all --target wasm32-unknown-unknown --release
 cp $TARGET/wasm32-unknown-unknown/release/cross_contract_high_level.wasm ./res/
-cp $TARGET/wasm32-unknown-unknown/release/cross_contract_low_level.wasm ./res/
+cp $TARGET/wasm32-unknown-unknown/release/cross_contract_low_level.wasm ./res/
\ No newline at end of file
diff --git a/examples/cross-contract-calls/high-level/Cargo.toml b/examples/cross-contract-calls/high-level/Cargo.toml
index 9db83ff40..9ac9b7abd 100644
--- a/examples/cross-contract-calls/high-level/Cargo.toml
+++ b/examples/cross-contract-calls/high-level/Cargo.toml
@@ -9,3 +9,7 @@ crate-type = ["cdylib"]
 
 [dependencies]
 near-sdk = { path = "../../../near-sdk" , features = ["default", "unit-testing"] }
+wasmcov = { version = "0.2", optional = true }
+
+[features]
+wasmcov = ["dep:wasmcov"]
\ No newline at end of file
diff --git a/examples/cross-contract-calls/high-level/src/lib.rs b/examples/cross-contract-calls/high-level/src/lib.rs
index 3f20bf058..caaf1734d 100644
--- a/examples/cross-contract-calls/high-level/src/lib.rs
+++ b/examples/cross-contract-calls/high-level/src/lib.rs
@@ -1,6 +1,9 @@
 use near_sdk::env;
 use near_sdk::{log, near, PromiseOrValue};
 
+#[cfg(all(feature = "wasmcov", target_family = "wasm"))]
+wasmcov::near::add_coverage!();
+
 #[derive(Default)]
 #[near(contract_state)]
 pub struct CrossContract {}
diff --git a/examples/cross-contract-calls/low-level/Cargo.toml b/examples/cross-contract-calls/low-level/Cargo.toml
index f2e635e31..c3df46277 100644
--- a/examples/cross-contract-calls/low-level/Cargo.toml
+++ b/examples/cross-contract-calls/low-level/Cargo.toml
@@ -9,3 +9,7 @@ crate-type = ["cdylib"]
 
 [dependencies]
 near-sdk = { path = "../../../near-sdk" , features = ["default", "unit-testing"] }
+wasmcov = { version = "0.2", optional = true }
+
+[features]
+wasmcov = ["dep:wasmcov"]
\ No newline at end of file
diff --git a/examples/cross-contract-calls/low-level/src/lib.rs b/examples/cross-contract-calls/low-level/src/lib.rs
index 0a5e1533b..a70c2da5a 100644
--- a/examples/cross-contract-calls/low-level/src/lib.rs
+++ b/examples/cross-contract-calls/low-level/src/lib.rs
@@ -1,6 +1,9 @@
 use near_sdk::serde_json;
 use near_sdk::{env, near, require, Gas, NearToken, PromiseResult};
 
+#[cfg(all(feature = "wasmcov", target_family = "wasm"))]
+wasmcov::near::add_coverage!();
+
 // Prepaid gas for a single (not inclusive of recursion) `factorial` call.
 const FACTORIAL_CALL_GAS: Gas = Gas::from_tgas(20);
 
diff --git a/examples/factory-contract/Cargo.toml b/examples/factory-contract/Cargo.toml
index 7fca0329d..e771a7d13 100644
--- a/examples/factory-contract/Cargo.toml
+++ b/examples/factory-contract/Cargo.toml
@@ -4,6 +4,9 @@ version = "0.1.0"
 authors = ["Near Inc <hello@nearprotocol.com>"]
 edition = "2021"
 
+[dependencies]
+wasmcov = { version = "0.2", optional = true }
+
 [dev-dependencies]
 anyhow = "1.0"
 test-case = "2.0"
@@ -11,6 +14,9 @@ tokio = { version = "1.14", features = ["full"] }
 near-workspaces = "0.11.1"
 near-sdk = { path = "../../near-sdk", features = ["unit-testing"] }
 
+[features]
+wasmcov = ["dep:wasmcov"]
+
 [profile.release]
 codegen-units = 1
 # Tell `rustc` to optimize for small code size.
diff --git a/examples/factory-contract/build.sh b/examples/factory-contract/build.sh
index c8e450d18..cd1940492 100755
--- a/examples/factory-contract/build.sh
+++ b/examples/factory-contract/build.sh
@@ -1,8 +1,16 @@
 #!/bin/bash
-TARGET="${CARGO_TARGET_DIR:-../../target}"
+
+if [ -n "$WASMCOV_DIR" ]; then
+    TARGET="${WASMCOV_DIR}/target"
+    BUILD_COMMAND="cargo wasmcov build -- --features wasmcov"
+else
+    TARGET="${CARGO_TARGET_DIR:-../../target}"
+    BUILD_COMMAND="cargo build"
+fi
+
 set -e
 cd "$(dirname $0)"
 
-cargo build --all --target wasm32-unknown-unknown --release
+$BUILD_COMMAND --all --target wasm32-unknown-unknown --release
 cp $TARGET/wasm32-unknown-unknown/release/factory_contract_high_level.wasm ./res/
-cp $TARGET/wasm32-unknown-unknown/release/factory_contract_low_level.wasm ./res/
+cp $TARGET/wasm32-unknown-unknown/release/factory_contract_low_level.wasm ./res/
\ No newline at end of file
diff --git a/examples/factory-contract/high-level/Cargo.toml b/examples/factory-contract/high-level/Cargo.toml
index 3225e6ce5..57bae0682 100644
--- a/examples/factory-contract/high-level/Cargo.toml
+++ b/examples/factory-contract/high-level/Cargo.toml
@@ -9,6 +9,10 @@ crate-type = ["cdylib"]
 
 [dependencies]
 near-sdk = { path = "../../../near-sdk" }
+wasmcov = { version = "0.2", optional = true }
 
 [dev-dependencies]
 near-sdk = { path = "../../../near-sdk", features = ["unit-testing"] }
+
+[features]
+wasmcov = ["dep:wasmcov"]
diff --git a/examples/factory-contract/high-level/src/lib.rs b/examples/factory-contract/high-level/src/lib.rs
index 7b1167ff6..30dc56dcd 100644
--- a/examples/factory-contract/high-level/src/lib.rs
+++ b/examples/factory-contract/high-level/src/lib.rs
@@ -1,6 +1,9 @@
 use near_sdk::PromiseError;
 use near_sdk::{env, ext_contract, near, AccountId, NearToken, Promise};
 
+#[cfg(all(feature = "wasmcov", target_family = "wasm"))]
+wasmcov::near::add_coverage!();
+
 #[derive(Default)]
 #[near(contract_state)]
 pub struct FactoryContract {}
diff --git a/examples/factory-contract/low-level/Cargo.toml b/examples/factory-contract/low-level/Cargo.toml
index 2807fb8c2..5e538a4b1 100644
--- a/examples/factory-contract/low-level/Cargo.toml
+++ b/examples/factory-contract/low-level/Cargo.toml
@@ -9,6 +9,10 @@ crate-type = ["cdylib"]
 
 [dependencies]
 near-sdk = { path = "../../../near-sdk" }
+wasmcov = { version = "0.2", optional = true }
 
 [dev-dependencies]
 near-sdk = { path = "../../../near-sdk", features = ["unit-testing"] }
+
+[features]
+wasmcov = ["dep:wasmcov"]
\ No newline at end of file
diff --git a/examples/factory-contract/low-level/src/lib.rs b/examples/factory-contract/low-level/src/lib.rs
index d2bda474e..a5b8dd37c 100644
--- a/examples/factory-contract/low-level/src/lib.rs
+++ b/examples/factory-contract/low-level/src/lib.rs
@@ -2,6 +2,9 @@ use near_sdk::json_types::U128;
 use near_sdk::serde_json;
 use near_sdk::{env, near, AccountId, Gas, NearToken, PromiseResult};
 
+#[cfg(all(feature = "wasmcov", target_family = "wasm"))]
+wasmcov::near::add_coverage!();
+
 // Prepaid gas for making a single simple call.
 const SINGLE_CALL_GAS: Gas = Gas::from_tgas(20);
 
diff --git a/examples/fungible-token/Cargo.toml b/examples/fungible-token/Cargo.toml
index b2a546724..50e2d2851 100644
--- a/examples/fungible-token/Cargo.toml
+++ b/examples/fungible-token/Cargo.toml
@@ -4,12 +4,18 @@ version = "0.0.2"
 authors = ["Near Inc <hello@nearprotocol.com>"]
 edition = "2021"
 
+[dependencies]
+wasmcov = { version = "0.2", optional = true }
+
 [dev-dependencies]
 anyhow = "1.0"
 near-sdk = { path = "../../near-sdk", features = ["unit-testing"] }
 tokio = { version = "1.14", features = ["full"] }
 near-workspaces = "0.11.1"
 
+[features]
+wasmcov = ["dep:wasmcov"]
+
 [profile.release]
 codegen-units = 1
 # Tell `rustc` to optimize for small code size.
diff --git a/examples/fungible-token/build.sh b/examples/fungible-token/build.sh
index 0c31bd39d..7dd6172e3 100755
--- a/examples/fungible-token/build.sh
+++ b/examples/fungible-token/build.sh
@@ -1,8 +1,16 @@
 #!/bin/bash
-TARGET="${CARGO_TARGET_DIR:-../../target}"
+
+if [ -n "$WASMCOV_DIR" ]; then
+    TARGET="${WASMCOV_DIR}/target"
+    BUILD_COMMAND="cargo wasmcov build -- --features wasmcov"
+else
+    TARGET="${CARGO_TARGET_DIR:-../../target}"
+    BUILD_COMMAND="cargo build"
+fi
+
 set -e
 cd "$(dirname $0)"
 
-cargo build --all --target wasm32-unknown-unknown --release
+$BUILD_COMMAND --all --target wasm32-unknown-unknown --release
 cp $TARGET/wasm32-unknown-unknown/release/defi.wasm ./res/
-cp $TARGET/wasm32-unknown-unknown/release/fungible_token.wasm ./res/
+cp $TARGET/wasm32-unknown-unknown/release/fungible_token.wasm ./res/
\ No newline at end of file
diff --git a/examples/fungible-token/ft/Cargo.toml b/examples/fungible-token/ft/Cargo.toml
index 652900622..b18166e0a 100644
--- a/examples/fungible-token/ft/Cargo.toml
+++ b/examples/fungible-token/ft/Cargo.toml
@@ -10,6 +10,10 @@ crate-type = ["cdylib"]
 [dependencies]
 near-sdk = { path = "../../../near-sdk" }
 near-contract-standards = { path = "../../../near-contract-standards" }
+wasmcov = { version = "0.2", optional = true }
 
 [dev-dependencies] 
-near-sdk = { path = "../../../near-sdk", features = ["unit-testing"] }
\ No newline at end of file
+near-sdk = { path = "../../../near-sdk", features = ["unit-testing"] }
+
+[features]
+wasmcov = ["dep:wasmcov"]
\ No newline at end of file
diff --git a/examples/fungible-token/ft/src/lib.rs b/examples/fungible-token/ft/src/lib.rs
index a6be56935..cc55c4598 100644
--- a/examples/fungible-token/ft/src/lib.rs
+++ b/examples/fungible-token/ft/src/lib.rs
@@ -31,6 +31,9 @@ use near_sdk::{
     env, log, near, require, AccountId, BorshStorageKey, NearToken, PanicOnDefault, PromiseOrValue,
 };
 
+#[cfg(all(feature = "wasmcov", target_family = "wasm"))]
+wasmcov::near::add_coverage!();
+
 #[derive(PanicOnDefault)]
 #[near(contract_state)]
 pub struct Contract {
diff --git a/examples/fungible-token/test-contract-defi/Cargo.toml b/examples/fungible-token/test-contract-defi/Cargo.toml
index cc314dba7..4ae23344d 100644
--- a/examples/fungible-token/test-contract-defi/Cargo.toml
+++ b/examples/fungible-token/test-contract-defi/Cargo.toml
@@ -10,6 +10,10 @@ crate-type = ["cdylib"]
 [dependencies]
 near-sdk = { path = "../../../near-sdk" }
 near-contract-standards = { path = "../../../near-contract-standards" }
+wasmcov = { version = "0.2", optional = true }
 
 [dev-dependencies]
-near-sdk = { path = "../../../near-sdk", features = ["unit-testing"] }
\ No newline at end of file
+near-sdk = { path = "../../../near-sdk", features = ["unit-testing"] }
+
+[features]
+wasmcov = ["dep:wasmcov"]
\ No newline at end of file
diff --git a/examples/fungible-token/test-contract-defi/src/lib.rs b/examples/fungible-token/test-contract-defi/src/lib.rs
index 83671a1e8..8aaced549 100644
--- a/examples/fungible-token/test-contract-defi/src/lib.rs
+++ b/examples/fungible-token/test-contract-defi/src/lib.rs
@@ -5,6 +5,9 @@ use near_contract_standards::fungible_token::{receiver::FungibleTokenReceiver, B
 use near_sdk::json_types::U128;
 use near_sdk::{env, log, near, require, AccountId, Gas, PanicOnDefault, PromiseOrValue};
 
+#[cfg(all(feature = "wasmcov", target_family = "wasm"))]
+wasmcov::near::add_coverage!();
+
 const BASE_GAS: u64 = 5_000_000_000_000;
 const PROMISE_CALL: u64 = 5_000_000_000_000;
 const GAS_FOR_FT_ON_TRANSFER: Gas = Gas::from_gas(BASE_GAS + PROMISE_CALL);
diff --git a/examples/fungible-token/tests/workspaces.rs b/examples/fungible-token/tests/workspaces.rs
index 2652a3cf2..2b364faa7 100644
--- a/examples/fungible-token/tests/workspaces.rs
+++ b/examples/fungible-token/tests/workspaces.rs
@@ -107,7 +107,7 @@ async fn test_storage_deposit_not_enough_deposit() -> anyhow::Result<()> {
         contract.view_account().await?.balance.saturating_sub(contract_balance_before_deposit);
     // contract receives a gas rewards for the function call, so it should gain some NEAR
     assert!(contract_balance_diff > NearToken::from_near(0));
-    assert!(contract_balance_diff < NearToken::from_yoctonear(30_000_000_000_000_000_000));
+    assert!(contract_balance_diff < NearToken::from_yoctonear(100_000_000_000_000_000_000));
 
     Ok(())
 }
@@ -144,7 +144,7 @@ async fn test_storage_deposit_minimal_deposit() -> anyhow::Result<()> {
     // new_account is charged the transaction fee, so it should loose a bit more than minimal_deposit
     assert!(new_account_balance_diff > minimal_deposit);
     assert!(
-        new_account_balance_diff < minimal_deposit.saturating_add(NearToken::from_millinear(1))
+        new_account_balance_diff < minimal_deposit.saturating_add(NearToken::from_yoctonear(2_000_000_000_000_000_000_000))
     );
 
     let contract_balance_diff =
@@ -154,9 +154,8 @@ async fn test_storage_deposit_minimal_deposit() -> anyhow::Result<()> {
     // adjust the upper limit of the assertion to be more flexible for small variations in the gas reward received
     assert!(
         contract_balance_diff
-            < minimal_deposit.saturating_add(NearToken::from_yoctonear(50_000_000_000_000_000_000))
+            < minimal_deposit.saturating_add(NearToken::from_yoctonear(2_000_000_000_000_000_000_000))
     );
-
     Ok(())
 }
 
@@ -246,7 +245,7 @@ async fn test_storage_deposit_refunds_excessive_deposit() -> anyhow::Result<()>
     assert!(contract_balance_diff > minimal_deposit);
     assert!(
         contract_balance_diff
-            < minimal_deposit.saturating_add(NearToken::from_yoctonear(50_000_000_000_000_000_000))
+            < minimal_deposit.saturating_add(NearToken::from_yoctonear(150_000_000_000_000_000_000))
     );
 
     Ok(())
diff --git a/examples/lockable-fungible-token/Cargo.toml b/examples/lockable-fungible-token/Cargo.toml
index 01f9982e9..cc38038f7 100644
--- a/examples/lockable-fungible-token/Cargo.toml
+++ b/examples/lockable-fungible-token/Cargo.toml
@@ -9,6 +9,7 @@ crate-type = ["cdylib"]
 
 [dependencies]
 near-sdk = { path = "../../near-sdk", features = ["legacy"] }
+wasmcov = { version = "0.2", optional = true }
 
 [dev-dependencies]
 anyhow = "1.0"
@@ -16,6 +17,9 @@ tokio = { version = "1.14", features = ["full"] }
 near-sdk = { path = "../../near-sdk", features = ["unit-testing"] }
 near-workspaces = "0.11.1"
 
+[features]
+wasmcov = ["dep:wasmcov"]
+
 [profile.release]
 codegen-units = 1
 # Tell `rustc` to optimize for small code size.
diff --git a/examples/lockable-fungible-token/build.sh b/examples/lockable-fungible-token/build.sh
index 374e0c05e..b719942fc 100755
--- a/examples/lockable-fungible-token/build.sh
+++ b/examples/lockable-fungible-token/build.sh
@@ -1,6 +1,14 @@
 #!/bin/bash
-TARGET="${CARGO_TARGET_DIR:-../../target}"
+
+if [ -n "$WASMCOV_DIR" ]; then
+    TARGET="${WASMCOV_DIR}/target"
+    BUILD_COMMAND="cargo wasmcov build -- --features wasmcov"
+else
+    TARGET="${CARGO_TARGET_DIR:-../../target}"
+    BUILD_COMMAND="cargo build"
+fi
+
 set -e
 cd "$(dirname $0)"
-cargo build --target wasm32-unknown-unknown --release
-cp $TARGET/wasm32-unknown-unknown/release/lockable_fungible_token.wasm ./res/
+$BUILD_COMMAND --target wasm32-unknown-unknown --release
+cp $TARGET/wasm32-unknown-unknown/release/lockable_fungible_token.wasm ./res/
\ No newline at end of file
diff --git a/examples/lockable-fungible-token/src/lib.rs b/examples/lockable-fungible-token/src/lib.rs
index 824858dcf..c0df4fd2a 100644
--- a/examples/lockable-fungible-token/src/lib.rs
+++ b/examples/lockable-fungible-token/src/lib.rs
@@ -2,6 +2,9 @@ use near_sdk::collections::UnorderedMap;
 use near_sdk::{env, json_types::U128, near, AccountId, PanicOnDefault};
 use std::collections::HashMap;
 
+#[cfg(all(feature = "wasmcov", target_family = "wasm"))]
+wasmcov::near::add_coverage!();
+
 type Balance = u128;
 
 #[derive(Default)]
diff --git a/examples/merge_profdata.sh b/examples/merge_profdata.sh
new file mode 100755
index 000000000..b82718703
--- /dev/null
+++ b/examples/merge_profdata.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+
+echo "Merging .profraw files"
+
+cargo wasmcov merge
+cd $WASMCOV_DIR
+mkdir lcov
+ls profdata
+
+for file in "$WASMCOV_DIR"/profdata/*.profdata; do
+    profdata_file_name=$(basename "$file")
+    # replacing '-' by '_' and changing extension .profdata by .o
+    object_file_name=$(echo "$profdata_file_name" | sed 's/-/_/g' | sed 's/.profdata$/.o/')
+
+    lcov_file_name=$(echo "$profdata_file_name" | sed 's/-/_/g' | sed 's/.profdata$/.lcov/')
+
+    echo "Base profdata: $profdata_file_name"
+    echo "Object file name: $object_file_name"
+    echo "Lcov file name: $lcov_file_name"
+    echo "$WASMCOV_DIR/profdata/$profdata_file_name"
+    echo "$WASMCOV_DIR/target/$object_file_name"
+    echo "$WASMCOV_DIR/lcov/$lcov_file_name"
+    echo "------------"
+    llvm-cov export --instr-profile="$WASMCOV_DIR/profdata/$profdata_file_name" "$WASMCOV_DIR/target/$object_file_name" > "$WASMCOV_DIR/lcov/$lcov_file_name"
+done
\ No newline at end of file
diff --git a/examples/mission-control/Cargo.toml b/examples/mission-control/Cargo.toml
index d4f9d29b4..dd68982c8 100644
--- a/examples/mission-control/Cargo.toml
+++ b/examples/mission-control/Cargo.toml
@@ -9,10 +9,14 @@ crate-type = ["cdylib"]
 
 [dependencies]
 near-sdk = { path = "../../near-sdk" }
+wasmcov = { version = "0.2", optional = true }
 
 [dev-dependencies]
 near-sdk = { path = "../../near-sdk", features = ["unit-testing"] }
 
+[features]
+wasmcov = ["dep:wasmcov"]
+
 [profile.release]
 codegen-units = 1
 # Tell `rustc` to optimize for small code size.
diff --git a/examples/mission-control/build.sh b/examples/mission-control/build.sh
index c5aa8b735..6ae795aae 100755
--- a/examples/mission-control/build.sh
+++ b/examples/mission-control/build.sh
@@ -1,7 +1,15 @@
 #!/bin/bash
-TARGET="${CARGO_TARGET_DIR:-../../target}"
+
+if [ -n "$WASMCOV_DIR" ]; then
+    TARGET="${WASMCOV_DIR}/target"
+    BUILD_COMMAND="cargo wasmcov build -- --features wasmcov"
+else
+    TARGET="${CARGO_TARGET_DIR:-../../target}"
+    BUILD_COMMAND="cargo build"
+fi
+
 set -e
 cd "$(dirname $0)"
-cargo build --target wasm32-unknown-unknown --release
+$BUILD_COMMAND --target wasm32-unknown-unknown --release
 cp $TARGET/wasm32-unknown-unknown/release/mission_control.wasm ./res/
-#wasm-opt -Oz --output ./res/mission_control.wasm ./res/mission_control.wasm
+#wasm-opt -Oz --output ./res/mission_control.wasm ./res/mission_control.wasm
\ No newline at end of file
diff --git a/examples/mission-control/src/account.rs b/examples/mission-control/src/account.rs
index 15da4a915..3006b7347 100644
--- a/examples/mission-control/src/account.rs
+++ b/examples/mission-control/src/account.rs
@@ -5,15 +5,7 @@ use std::ops;
 
 use near_sdk::near;
 
-#[derive(
-    PartialEq,
-    Eq,
-    PartialOrd,
-    Hash,
-    Clone,
-    Copy,
-    Debug,
-)]
+#[derive(PartialEq, Eq, PartialOrd, Hash, Clone, Copy, Debug)]
 #[near(serializers = [json, borsh])]
 pub struct Quantity(pub i32);
 
diff --git a/examples/mission-control/src/agent.rs b/examples/mission-control/src/agent.rs
index 81de55de4..06205e885 100644
--- a/examples/mission-control/src/agent.rs
+++ b/examples/mission-control/src/agent.rs
@@ -1,8 +1,8 @@
 use crate::account::*;
 use crate::asset::*;
 use crate::rate::*;
-use std::collections::HashMap;
 use near_sdk::near;
+use std::collections::HashMap;
 
 #[derive(Clone)]
 #[near(serializers=[json, borsh])]
diff --git a/examples/mission-control/src/asset.rs b/examples/mission-control/src/asset.rs
index 87a65fcdf..1144c2b75 100644
--- a/examples/mission-control/src/asset.rs
+++ b/examples/mission-control/src/asset.rs
@@ -1,14 +1,6 @@
 use near_sdk::near;
 
-#[derive(
-    PartialEq,
-    Eq,
-    PartialOrd,
-    Ord,
-    Hash,
-    Clone,
-    Copy,
-)]
+#[derive(PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy)]
 #[near(serializers = [json, borsh])]
 pub enum Resource {
     Battery,
@@ -17,15 +9,7 @@ pub enum Resource {
     PoseEstimation,
 }
 
-#[derive(
-    PartialEq,
-    Eq,
-    PartialOrd,
-    Ord,
-    Hash,
-    Clone,
-    Copy,
-)]
+#[derive(PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy)]
 #[near(serializers = [json, borsh])]
 pub enum Reward {
     Score,
@@ -35,15 +19,7 @@ pub enum Reward {
     Policy,
 }
 
-#[derive(
-    PartialEq,
-    Eq,
-    PartialOrd,
-    Ord,
-    Hash,
-    Clone,
-    Copy,
-)]
+#[derive(PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy)]
 #[near(serializers = [json, borsh])]
 pub enum Asset {
     Resource(Resource),
@@ -52,13 +28,7 @@ pub enum Asset {
     Trust,
 }
 
-#[derive(
-    PartialEq,
-    Eq,
-    Hash,
-    PartialOrd,
-    Ord,
-)]
+#[derive(PartialEq, Eq, Hash, PartialOrd, Ord)]
 #[near(serializers = [json, borsh])]
 pub enum Exchange {
     MissionTimeWithResource,
diff --git a/examples/mission-control/src/lib.rs b/examples/mission-control/src/lib.rs
index 61522e7bc..e07efc09f 100644
--- a/examples/mission-control/src/lib.rs
+++ b/examples/mission-control/src/lib.rs
@@ -5,3 +5,6 @@ mod asset;
 mod macros;
 mod mission_control;
 mod rate;
+
+#[cfg(all(feature = "wasmcov", target_family = "wasm"))]
+wasmcov::near::add_coverage!();
diff --git a/examples/mission-control/src/mission_control.rs b/examples/mission-control/src/mission_control.rs
index 74f141a42..28c0808c0 100644
--- a/examples/mission-control/src/mission_control.rs
+++ b/examples/mission-control/src/mission_control.rs
@@ -2,11 +2,10 @@ use crate::account::*;
 use crate::agent::Agent;
 use crate::asset::*;
 use crate::rate::*;
-use near_sdk::AccountId;
 use near_sdk::env;
-use std::collections::HashMap;
 use near_sdk::near;
-
+use near_sdk::AccountId;
+use std::collections::HashMap;
 
 #[near(serializers=[json, borsh], contract_state)]
 pub struct MissionControl {
diff --git a/examples/mission-control/src/rate.rs b/examples/mission-control/src/rate.rs
index 7390d69f4..6c1ad3549 100644
--- a/examples/mission-control/src/rate.rs
+++ b/examples/mission-control/src/rate.rs
@@ -1,7 +1,7 @@
 use crate::account::*;
 use crate::asset::*;
-use std::collections::HashMap;
 use near_sdk::near;
+use std::collections::HashMap;
 
 #[derive(PartialEq, Eq)]
 #[near(serializers = [json, borsh])]
diff --git a/examples/non-fungible-token/Cargo.toml b/examples/non-fungible-token/Cargo.toml
index dcdeee7d9..acc4f35f8 100644
--- a/examples/non-fungible-token/Cargo.toml
+++ b/examples/non-fungible-token/Cargo.toml
@@ -4,6 +4,9 @@ version = "0.0.2"
 authors = ["Near Inc <hello@nearprotocol.com>"]
 edition = "2021"
 
+[dependencies]
+wasmcov = { version = "0.2", optional = true }
+
 [dev-dependencies]
 anyhow = "1.0"
 near-contract-standards = { path = "../../near-contract-standards" }
@@ -23,3 +26,6 @@ overflow-checks = true
 [workspace]
 # remember to include a member for each contract
 members = ["nft", "test-approval-receiver", "test-token-receiver"]
+
+[features]
+wasmcov = ["dep:wasmcov"]
\ No newline at end of file
diff --git a/examples/non-fungible-token/build.sh b/examples/non-fungible-token/build.sh
index 361e33e71..b339c3845 100755
--- a/examples/non-fungible-token/build.sh
+++ b/examples/non-fungible-token/build.sh
@@ -1,8 +1,16 @@
 #!/bin/bash
-TARGET="${CARGO_TARGET_DIR:-../../target}"
+
+if [ -n "$WASMCOV_DIR" ]; then
+    TARGET="${WASMCOV_DIR}/target"
+    BUILD_COMMAND="cargo wasmcov build -- --features wasmcov"
+else
+    TARGET="${CARGO_TARGET_DIR:-../../target}"
+    BUILD_COMMAND="cargo build"
+fi
+
 set -e
 cd "$(dirname $0)"
-cargo build --all --target wasm32-unknown-unknown --release
+$BUILD_COMMAND --all --target wasm32-unknown-unknown --release
 cp $TARGET/wasm32-unknown-unknown/release/approval_receiver.wasm ./res/
 cp $TARGET/wasm32-unknown-unknown/release/non_fungible_token.wasm ./res/
-cp $TARGET/wasm32-unknown-unknown/release/token_receiver.wasm ./res/
+cp $TARGET/wasm32-unknown-unknown/release/token_receiver.wasm ./res/
\ No newline at end of file
diff --git a/examples/non-fungible-token/nft/Cargo.toml b/examples/non-fungible-token/nft/Cargo.toml
index 672e5e113..489456eb5 100644
--- a/examples/non-fungible-token/nft/Cargo.toml
+++ b/examples/non-fungible-token/nft/Cargo.toml
@@ -10,6 +10,10 @@ crate-type = ["cdylib"]
 [dependencies]
 near-sdk = { path = "../../../near-sdk" }
 near-contract-standards = { path = "../../../near-contract-standards" }
+wasmcov = { version = "0.2", optional = true }
 
 [dev-dependencies] 
-near-sdk = { path = "../../../near-sdk", features = ["unit-testing"] } 
\ No newline at end of file
+near-sdk = { path = "../../../near-sdk", features = ["unit-testing"] }
+
+[features]
+wasmcov = ["dep:wasmcov"]
\ No newline at end of file
diff --git a/examples/non-fungible-token/nft/src/lib.rs b/examples/non-fungible-token/nft/src/lib.rs
index 33c0ce5fe..88d6dbab8 100644
--- a/examples/non-fungible-token/nft/src/lib.rs
+++ b/examples/non-fungible-token/nft/src/lib.rs
@@ -32,6 +32,9 @@ use near_sdk::{
 };
 use std::collections::HashMap;
 
+#[cfg(all(feature = "wasmcov", target_family = "wasm"))]
+wasmcov::near::add_coverage!();
+
 #[derive(PanicOnDefault)]
 #[near(contract_state)]
 pub struct Contract {
diff --git a/examples/non-fungible-token/test-approval-receiver/Cargo.toml b/examples/non-fungible-token/test-approval-receiver/Cargo.toml
index 7f9036e07..288be0ffe 100644
--- a/examples/non-fungible-token/test-approval-receiver/Cargo.toml
+++ b/examples/non-fungible-token/test-approval-receiver/Cargo.toml
@@ -10,6 +10,10 @@ crate-type = ["cdylib"]
 [dependencies]
 near-sdk = { path = "../../../near-sdk" }
 near-contract-standards = { path = "../../../near-contract-standards" }
+wasmcov = { version = "0.2", optional = true }
 
 [dev-dependencies]
 near-sdk = { path = "../../../near-sdk", features = ["unit-testing"] }
+
+[features]
+wasmcov = ["dep:wasmcov"]
\ No newline at end of file
diff --git a/examples/non-fungible-token/test-approval-receiver/src/lib.rs b/examples/non-fungible-token/test-approval-receiver/src/lib.rs
index 975e798e8..a5ef46bfd 100644
--- a/examples/non-fungible-token/test-approval-receiver/src/lib.rs
+++ b/examples/non-fungible-token/test-approval-receiver/src/lib.rs
@@ -5,6 +5,9 @@ use near_contract_standards::non_fungible_token::approval::NonFungibleTokenAppro
 use near_contract_standards::non_fungible_token::TokenId;
 use near_sdk::{env, log, near, require, AccountId, Gas, PanicOnDefault, PromiseOrValue};
 
+#[cfg(all(feature = "wasmcov", target_family = "wasm"))]
+wasmcov::near::add_coverage!();
+
 /// It is estimated that we need to attach 5 TGas for the code execution and 5 TGas for cross-contract call
 const GAS_FOR_NFT_ON_APPROVE: Gas = Gas::from_tgas(10);
 
diff --git a/examples/non-fungible-token/test-token-receiver/Cargo.toml b/examples/non-fungible-token/test-token-receiver/Cargo.toml
index 2a4eeaadf..a85fd48e3 100644
--- a/examples/non-fungible-token/test-token-receiver/Cargo.toml
+++ b/examples/non-fungible-token/test-token-receiver/Cargo.toml
@@ -10,6 +10,10 @@ crate-type = ["cdylib"]
 [dependencies]
 near-sdk = { path = "../../../near-sdk" }
 near-contract-standards = { path = "../../../near-contract-standards" }
+wasmcov = { version = "0.2", optional = true }
 
 [dev-dependencies]
-near-sdk = { path = "../../../near-sdk", features = ["unit-testing"] }
\ No newline at end of file
+near-sdk = { path = "../../../near-sdk", features = ["unit-testing"] }
+
+[features]
+wasmcov = ["dep:wasmcov"]
\ No newline at end of file
diff --git a/examples/non-fungible-token/test-token-receiver/src/lib.rs b/examples/non-fungible-token/test-token-receiver/src/lib.rs
index ccedf9884..96cb07b35 100644
--- a/examples/non-fungible-token/test-token-receiver/src/lib.rs
+++ b/examples/non-fungible-token/test-token-receiver/src/lib.rs
@@ -5,6 +5,9 @@ use near_contract_standards::non_fungible_token::core::NonFungibleTokenReceiver;
 use near_contract_standards::non_fungible_token::TokenId;
 use near_sdk::{env, log, near, require, AccountId, Gas, PanicOnDefault, PromiseOrValue};
 
+#[cfg(all(feature = "wasmcov", target_family = "wasm"))]
+wasmcov::near::add_coverage!();
+
 /// It is estimated that we need to attach 5 TGas for the code execution and 5 TGas for cross-contract call
 const GAS_FOR_NFT_ON_TRANSFER: Gas = Gas::from_tgas(10);
 
diff --git a/examples/status-message/Cargo.toml b/examples/status-message/Cargo.toml
index e72a5ba0e..b95f3e525 100644
--- a/examples/status-message/Cargo.toml
+++ b/examples/status-message/Cargo.toml
@@ -9,10 +9,14 @@ crate-type = ["cdylib"]
 
 [dependencies]
 near-sdk = { path = "../../near-sdk" }
+wasmcov = { version = "0.2", optional = true }
 
 [dev-dependencies]
 near-sdk = { path = "../../near-sdk", features = ["unit-testing"] }
 
+[features]
+wasmcov = ["dep:wasmcov"]
+
 [profile.release]
 codegen-units = 1
 # Tell `rustc` to optimize for small code size.
diff --git a/examples/status-message/build.sh b/examples/status-message/build.sh
index ee45d0690..f5679b9f7 100755
--- a/examples/status-message/build.sh
+++ b/examples/status-message/build.sh
@@ -1,7 +1,15 @@
 #!/bin/bash
-TARGET="${CARGO_TARGET_DIR:-../../target}"
+
+if [ -n "$WASMCOV_DIR" ]; then
+    TARGET="${WASMCOV_DIR}/target"
+    BUILD_COMMAND="cargo wasmcov build -- --features wasmcov"
+else
+    TARGET="${CARGO_TARGET_DIR:-../../target}"
+    BUILD_COMMAND="cargo build"
+fi
+
 set -e
 cd "$(dirname $0)"
-cargo build --target wasm32-unknown-unknown --release
+$BUILD_COMMAND --target wasm32-unknown-unknown --release
 cp $TARGET/wasm32-unknown-unknown/release/status_message.wasm ./res/
-#wasm-opt -Oz --output ./res/status_message.wasm ./res/status_message.wasm
+#wasm-opt -Oz --output ./res/status_message.wasm ./res/status_message.wasm
\ No newline at end of file
diff --git a/examples/status-message/src/lib.rs b/examples/status-message/src/lib.rs
index 142c68598..ac8e7cd7e 100644
--- a/examples/status-message/src/lib.rs
+++ b/examples/status-message/src/lib.rs
@@ -1,6 +1,9 @@
 use near_sdk::store::LookupMap;
 use near_sdk::{env, log, near, AccountId, BorshStorageKey};
 
+#[cfg(all(feature = "wasmcov", target_family = "wasm"))]
+wasmcov::near::add_coverage!();
+
 #[derive(BorshStorageKey)]
 #[near]
 struct RecordsKey;
diff --git a/examples/test-contract/Cargo.toml b/examples/test-contract/Cargo.toml
index 423588334..d9cd38c78 100644
--- a/examples/test-contract/Cargo.toml
+++ b/examples/test-contract/Cargo.toml
@@ -9,6 +9,7 @@ crate-type = ["cdylib"]
 
 [dependencies]
 near-sdk = { path = "../../near-sdk" }
+wasmcov = { version = "0.2", optional = true }
 
 [profile.release]
 codegen-units = 1
@@ -19,4 +20,7 @@ debug = false
 panic = "abort"
 
 [dev-dependencies] 
-near-sdk = { path = "../../near-sdk", features = ["unit-testing"] } 
+near-sdk = { path = "../../near-sdk", features = ["unit-testing"] }
+
+[features]
+wasmcov = ["dep:wasmcov"]
\ No newline at end of file
diff --git a/examples/test-contract/build.sh b/examples/test-contract/build.sh
index c9a158b54..c535116c5 100755
--- a/examples/test-contract/build.sh
+++ b/examples/test-contract/build.sh
@@ -1,7 +1,15 @@
 #!/bin/bash
-TARGET="${CARGO_TARGET_DIR:-../../target}"
+
+if [ -n "$WASMCOV_DIR" ]; then
+    TARGET="${WASMCOV_DIR}/target"
+    BUILD_COMMAND="cargo wasmcov build -- --features wasmcov"
+else
+    TARGET="${CARGO_TARGET_DIR:-../../target}"
+    BUILD_COMMAND="cargo build"
+fi
+
 set -e
 cd "$(dirname $0)"
-cargo build --target wasm32-unknown-unknown --release
+$BUILD_COMMAND --target wasm32-unknown-unknown --release
 cp $TARGET/wasm32-unknown-unknown/release/test_contract.wasm ./res/
-#wasm-opt -Oz --output ./res/test_contract.wasm ./res/test_contract.wasm
+#wasm-opt -Oz --output ./res/test_contract.wasm ./res/test_contract.wasm
\ No newline at end of file
diff --git a/examples/test-contract/src/lib.rs b/examples/test-contract/src/lib.rs
index 46444f9fc..036c6f322 100644
--- a/examples/test-contract/src/lib.rs
+++ b/examples/test-contract/src/lib.rs
@@ -1,5 +1,8 @@
 use near_sdk::{env, near};
 
+#[cfg(all(feature = "wasmcov", target_family = "wasm"))]
+wasmcov::near::add_coverage!();
+
 #[near(contract_state)]
 pub struct TestContract {}
 
diff --git a/examples/versioned/Cargo.toml b/examples/versioned/Cargo.toml
index 3f07f872f..6e8dfbcff 100644
--- a/examples/versioned/Cargo.toml
+++ b/examples/versioned/Cargo.toml
@@ -9,6 +9,7 @@ crate-type = ["cdylib"]
 
 [dependencies]
 near-sdk = { path = "../../near-sdk", features = ["unstable", "unit-testing"] }
+wasmcov = { version = "0.2", optional = true }
 
 [profile.release]
 codegen-units = 1
@@ -19,4 +20,7 @@ debug = false
 panic = "abort"
 
 [dev-dependencies]
-near-sdk = { path = "../../near-sdk", features = ["unit-testing"] }
\ No newline at end of file
+near-sdk = { path = "../../near-sdk", features = ["unit-testing"] }
+
+[features]
+wasmcov = ["dep:wasmcov"]
\ No newline at end of file
diff --git a/examples/versioned/build.sh b/examples/versioned/build.sh
index 2d9f6377e..f9d3626d1 100755
--- a/examples/versioned/build.sh
+++ b/examples/versioned/build.sh
@@ -1,6 +1,14 @@
 #!/bin/bash
-TARGET="${CARGO_TARGET_DIR:-../../target}"
+
+if [ -n "$WASMCOV_DIR" ]; then
+    TARGET="${WASMCOV_DIR}/target"
+    BUILD_COMMAND="cargo wasmcov build -- --features wasmcov"
+else
+    TARGET="${CARGO_TARGET_DIR:-../../target}"
+    BUILD_COMMAND="cargo build"
+fi
+
 set -e
 cd "$(dirname $0)"
-cargo build --target wasm32-unknown-unknown --release
-cp $TARGET/wasm32-unknown-unknown/release/versioned.wasm ./res/
+$BUILD_COMMAND --target wasm32-unknown-unknown --release
+cp $TARGET/wasm32-unknown-unknown/release/versioned.wasm ./res/
\ No newline at end of file
diff --git a/examples/versioned/src/lib.rs b/examples/versioned/src/lib.rs
index 6739de4d2..85e45e3a0 100644
--- a/examples/versioned/src/lib.rs
+++ b/examples/versioned/src/lib.rs
@@ -1,6 +1,9 @@
 use near_sdk::store::IterableMap;
 use near_sdk::{env, log, near, AccountId, NearToken};
 
+#[cfg(all(feature = "wasmcov", target_family = "wasm"))]
+wasmcov::near::add_coverage!();
+
 /// An example of a versioned contract. This is a simple contract that tracks how much
 /// each account deposits into the contract. In v1, a nonce is added to state which increments
 /// after each successful deposit.