diff --git a/Cargo.lock b/Cargo.lock
index 40c443e54..1385c08d7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2030,7 +2030,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.61.1",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -5247,7 +5247,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.61.1",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -5304,7 +5304,7 @@ dependencies = [
 [[package]]
 name = "rwasm"
 version = "0.0.0"
-source = "git+https://github.com/fluentlabs-xyz/rwasm?branch=devel#d808ed0eca4e099cbb8ef5e9c4a39ada7dc4c920"
+source = "git+https://github.com/fluentlabs-xyz/rwasm?branch=devel#35acaee318f277dc4b3ece7f4306d6d058ecb520"
 dependencies = [
  "anyhow",
  "bincode 2.0.1",
@@ -5312,8 +5312,10 @@ dependencies = [
  "bytes",
  "directories",
  "downcast-rs",
+ "fnv",
  "futures",
  "hashbrown 0.15.5",
+ "libc",
  "libm",
  "num-derive",
  "num-traits",
@@ -6562,7 +6564,7 @@ dependencies = [
  "getrandom 0.3.3",
  "once_cell",
  "rustix",
- "windows-sys 0.61.1",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -7655,7 +7657,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.61.1",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 92e65d4f4..a83ee83ad 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -144,6 +144,7 @@ convert_case = "0.8.0"
 proc-macro2 = { version = "1.0", default-features = false }
 quote = { version = "1.0" }
 elliptic-curve = { version = "0.13.4", features = ["hazmat", "sec1", "ecdh"], default-features = false }
+cfg-if = { version = "1.0.3", default-features = false }
 
 # revm
 revm = { git = "https://github.com/fluentlabs-xyz/revm-rwasm.git", branch = "v82-patched", default-features = false }
diff --git a/bins/cli/Cargo.toml b/bins/cli/Cargo.toml
index 33e6731a6..ae6698ad3 100644
--- a/bins/cli/Cargo.toml
+++ b/bins/cli/Cargo.toml
@@ -27,3 +27,7 @@ sha2 = "0.10"
 [features]
 default = []
 std = ["fluentbase-build/std"]
+fluent-testnet = [
+	"fluentbase-build/fluent-testnet",
+	"fluentbase-sdk/fluent-testnet"
+]
diff --git a/contracts/blake2f/Cargo.toml b/contracts/blake2f/Cargo.toml
index b74603d4c..c80ce5f6f 100644
--- a/contracts/blake2f/Cargo.toml
+++ b/contracts/blake2f/Cargo.toml
@@ -17,3 +17,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std", "revm-precompile/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/contracts/bls12381/Cargo.toml b/contracts/bls12381/Cargo.toml
index e264d92e0..f75712d32 100644
--- a/contracts/bls12381/Cargo.toml
+++ b/contracts/bls12381/Cargo.toml
@@ -17,4 +17,8 @@ path = "lib.rs"
 
 [features]
 default = ["std"]
-std = ["fluentbase-sdk/std", "revm-precompile/std"]
\ No newline at end of file
+std = ["fluentbase-sdk/std", "revm-precompile/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/contracts/bn256/Cargo.toml b/contracts/bn256/Cargo.toml
index 54dc5de09..7ff288882 100644
--- a/contracts/bn256/Cargo.toml
+++ b/contracts/bn256/Cargo.toml
@@ -20,3 +20,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/contracts/ecrecover/Cargo.toml b/contracts/ecrecover/Cargo.toml
index 2ae1758a1..cb4754392 100644
--- a/contracts/ecrecover/Cargo.toml
+++ b/contracts/ecrecover/Cargo.toml
@@ -19,3 +19,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std", "revm-precompile/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/contracts/eip2935/Cargo.toml b/contracts/eip2935/Cargo.toml
index 949c2e205..a9ea0fde9 100644
--- a/contracts/eip2935/Cargo.toml
+++ b/contracts/eip2935/Cargo.toml
@@ -19,3 +19,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/contracts/evm/Cargo.toml b/contracts/evm/Cargo.toml
index 658e41c10..b79a6a636 100644
--- a/contracts/evm/Cargo.toml
+++ b/contracts/evm/Cargo.toml
@@ -17,3 +17,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std", "fluentbase-evm/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/contracts/fairblock/Cargo.toml b/contracts/fairblock/Cargo.toml
index f2fee0222..61ea22ec0 100644
--- a/contracts/fairblock/Cargo.toml
+++ b/contracts/fairblock/Cargo.toml
@@ -13,3 +13,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/contracts/identity/Cargo.toml b/contracts/identity/Cargo.toml
index 8aefb6b3e..a4e1371f2 100644
--- a/contracts/identity/Cargo.toml
+++ b/contracts/identity/Cargo.toml
@@ -17,3 +17,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std", "revm-precompile/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/contracts/kzg/Cargo.toml b/contracts/kzg/Cargo.toml
index bbb7da857..1e8d2760d 100644
--- a/contracts/kzg/Cargo.toml
+++ b/contracts/kzg/Cargo.toml
@@ -17,3 +17,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std", "revm-precompile/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/contracts/modexp/Cargo.toml b/contracts/modexp/Cargo.toml
index 2649c39f0..d7f04b94a 100644
--- a/contracts/modexp/Cargo.toml
+++ b/contracts/modexp/Cargo.toml
@@ -17,3 +17,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std", "revm-precompile/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/contracts/multicall/Cargo.toml b/contracts/multicall/Cargo.toml
index f8eba705e..5c0c77c84 100644
--- a/contracts/multicall/Cargo.toml
+++ b/contracts/multicall/Cargo.toml
@@ -16,3 +16,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/contracts/nitro/Cargo.toml b/contracts/nitro/Cargo.toml
index 70f918ead..f621e1bc0 100644
--- a/contracts/nitro/Cargo.toml
+++ b/contracts/nitro/Cargo.toml
@@ -33,3 +33,7 @@ default = [
     #    "fluentbase-sdk/debug-print"
 ]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/contracts/oauth2/Cargo.toml b/contracts/oauth2/Cargo.toml
index eebcbbf96..556664df4 100644
--- a/contracts/oauth2/Cargo.toml
+++ b/contracts/oauth2/Cargo.toml
@@ -16,3 +16,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/contracts/ripemd160/Cargo.toml b/contracts/ripemd160/Cargo.toml
index f4f32662e..7d6929fee 100644
--- a/contracts/ripemd160/Cargo.toml
+++ b/contracts/ripemd160/Cargo.toml
@@ -17,3 +17,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std", "revm-precompile/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/contracts/secp256r1/Cargo.toml b/contracts/secp256r1/Cargo.toml
index c2e3cde72..16edb2f3a 100644
--- a/contracts/secp256r1/Cargo.toml
+++ b/contracts/secp256r1/Cargo.toml
@@ -24,3 +24,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/contracts/sha256/Cargo.toml b/contracts/sha256/Cargo.toml
index cb374747a..c7cb264b0 100644
--- a/contracts/sha256/Cargo.toml
+++ b/contracts/sha256/Cargo.toml
@@ -16,3 +16,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/contracts/svm/Cargo.toml b/contracts/svm/Cargo.toml
index ab86aa685..005ee4278 100644
--- a/contracts/svm/Cargo.toml
+++ b/contracts/svm/Cargo.toml
@@ -20,3 +20,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std", "fluentbase-svm/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/contracts/universal-token/Cargo.toml b/contracts/universal-token/Cargo.toml
index 68681a7ae..c3a8910dc 100644
--- a/contracts/universal-token/Cargo.toml
+++ b/contracts/universal-token/Cargo.toml
@@ -25,3 +25,8 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+	"fluentbase-sdk/fluent-testnet",
+	"fluentbase-testing/fluent-testnet",
+	"fluentbase-universal-token/fluent-testnet"
+]
diff --git a/contracts/wasm/Cargo.toml b/contracts/wasm/Cargo.toml
index 175a34f47..16837366f 100644
--- a/contracts/wasm/Cargo.toml
+++ b/contracts/wasm/Cargo.toml
@@ -16,3 +16,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/contracts/webauthn/Cargo.toml b/contracts/webauthn/Cargo.toml
index 16971bfa7..9dc3dced6 100644
--- a/contracts/webauthn/Cargo.toml
+++ b/contracts/webauthn/Cargo.toml
@@ -31,3 +31,7 @@ std = [
     "hex/std",
     "revm-precompile/std",
 ]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/crates/build/Cargo.toml b/crates/build/Cargo.toml
index 6557696b1..8e988b016 100644
--- a/crates/build/Cargo.toml
+++ b/crates/build/Cargo.toml
@@ -36,4 +36,7 @@ default = ["std"]
 std = [
     "fluentbase-sdk/std",
     "rwasm/std",
-]
\ No newline at end of file
+]
+fluent-testnet = [
+	"fluentbase-sdk/fluent-testnet"
+]
diff --git a/crates/contracts/Cargo.toml b/crates/contracts/Cargo.toml
index 2ea0d7158..9d4f001f0 100644
--- a/crates/contracts/Cargo.toml
+++ b/crates/contracts/Cargo.toml
@@ -42,3 +42,10 @@ std = [
     "serde_json/std",
 ]
 generate-genesis = [] # this feature is doing nothing now (genesis is always generated), kept it for backward compatibility, and will remove it once ready
+fluent-testnet = [
+    "fluentbase-evm/fluent-testnet",
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-svm/fluent-testnet",
+    "fluentbase-universal-token/fluent-testnet"
+]
+
diff --git a/crates/contracts/build.rs b/crates/contracts/build.rs
index 0f27d2fc6..63a2e7051 100644
--- a/crates/contracts/build.rs
+++ b/crates/contracts/build.rs
@@ -50,6 +50,12 @@ fn main() {
             "--color=always".to_string(),
             "--no-default-features".to_string(),
         ];
+        #[cfg(feature = "fluent-testnet")]
+        {
+            args.push("--features".to_string());
+            args.push("fluent-testnet".to_string());
+        }
+
         if !is_debug_profile {
             args.push("--release".to_string());
         }
diff --git a/crates/crypto/Cargo.toml b/crates/crypto/Cargo.toml
index eb8cfe4bb..cc87c9c55 100644
--- a/crates/crypto/Cargo.toml
+++ b/crates/crypto/Cargo.toml
@@ -28,4 +28,8 @@ std = [
     "fluentbase-types/std",
     "fluentbase-runtime/std",
     "elliptic-curve/std",
-]
\ No newline at end of file
+]
+fluent-testnet = [
+	"fluentbase-runtime?/fluent-testnet",
+	"fluentbase-types/fluent-testnet"
+]
diff --git a/crates/evm/Cargo.toml b/crates/evm/Cargo.toml
index b6600e757..0332dc59b 100644
--- a/crates/evm/Cargo.toml
+++ b/crates/evm/Cargo.toml
@@ -29,3 +29,6 @@ std = [
     "revm-interpreter/std",
     "revm-context/std",
 ]
+fluent-testnet = [
+	"fluentbase-sdk/fluent-testnet"
+]
diff --git a/crates/genesis/Cargo.toml b/crates/genesis/Cargo.toml
index cf8df4e7f..a5934a010 100644
--- a/crates/genesis/Cargo.toml
+++ b/crates/genesis/Cargo.toml
@@ -38,3 +38,7 @@ std = [
     "serde_json/std",
 ]
 generate-genesis = [] # this feature is doing nothing now (genesis is always generated), kept it for backward compatibility, and will remove it once ready
+fluent-testnet = [
+	"fluentbase-contracts/fluent-testnet",
+	"fluentbase-sdk/fluent-testnet"
+]
diff --git a/crates/revm/Cargo.toml b/crates/revm/Cargo.toml
index fcbcd96ad..108e06b37 100644
--- a/crates/revm/Cargo.toml
+++ b/crates/revm/Cargo.toml
@@ -98,3 +98,8 @@ debug-print = [
     #    "rwasm/debug-print",
 ]
 wasmtime = ["fluentbase-runtime/wasmtime", "rwasm/wasmtime"]
+fluent-testnet = [
+	"fluentbase-runtime/fluent-testnet",
+	"fluentbase-sdk/fluent-testnet",
+	"fluentbase-evm/fluent-testnet"
+]
diff --git a/crates/runtime/Cargo.toml b/crates/runtime/Cargo.toml
index 687dbe36f..12e7ea738 100644
--- a/crates/runtime/Cargo.toml
+++ b/crates/runtime/Cargo.toml
@@ -62,3 +62,6 @@ inter-process-lock = [
     "dep:fs2",
 ]
 global-executor = ["dep:core_affinity"]
+fluent-testnet = [
+	"fluentbase-types/fluent-testnet"
+]
diff --git a/crates/sdk-derive/Cargo.toml b/crates/sdk-derive/Cargo.toml
index a6c4bdbb6..515952e03 100644
--- a/crates/sdk-derive/Cargo.toml
+++ b/crates/sdk-derive/Cargo.toml
@@ -27,3 +27,6 @@ proc-macro = true
 
 [features]
 default = []
+fluent-testnet = [
+	"fluentbase-sdk/fluent-testnet"
+]
diff --git a/crates/sdk/Cargo.toml b/crates/sdk/Cargo.toml
index bce3ecae0..a94e4c027 100644
--- a/crates/sdk/Cargo.toml
+++ b/crates/sdk/Cargo.toml
@@ -37,4 +37,9 @@ std = [
     "alloy-rlp/std",
 ]
 debug-print = []
-fast-panic = []
\ No newline at end of file
+fast-panic = []
+fluent-testnet = [
+	"fluentbase-crypto/fluent-testnet",
+	"fluentbase-types/fluent-testnet",
+	"fluentbase-sdk-derive/fluent-testnet"
+]
diff --git a/crates/svm-common/Cargo.toml b/crates/svm-common/Cargo.toml
index 6119092e4..d43364875 100644
--- a/crates/svm-common/Cargo.toml
+++ b/crates/svm-common/Cargo.toml
@@ -17,3 +17,6 @@ fluentbase-sdk = { workspace = true, default-features = false }
 [features]
 default = []
 std = []
+fluent-testnet = [
+	"fluentbase-sdk/fluent-testnet"
+]
diff --git a/crates/svm/Cargo.toml b/crates/svm/Cargo.toml
index d31e37888..3666ec3bf 100644
--- a/crates/svm/Cargo.toml
+++ b/crates/svm/Cargo.toml
@@ -86,3 +86,9 @@ debug-print = [
 ]
 do-not-validate-elf-on-deploy = []
 use-extended-debug-log = []
+fluent-testnet = [
+	"fluentbase-sdk/fluent-testnet",
+	"fluentbase-svm-common/fluent-testnet",
+	"fluentbase-testing/fluent-testnet",
+	"fluentbase-universal-token/fluent-testnet"
+]
diff --git a/crates/testing/Cargo.toml b/crates/testing/Cargo.toml
index 21ca54245..90b3582bf 100644
--- a/crates/testing/Cargo.toml
+++ b/crates/testing/Cargo.toml
@@ -37,3 +37,8 @@ debug-print = [
     "revm/debug-print",
     #    "fluentbase-revm/debug-print",
 ]
+fluent-testnet = [
+	"fluentbase-revm/fluent-testnet",
+	"fluentbase-runtime/fluent-testnet",
+	"fluentbase-sdk/fluent-testnet"
+]
diff --git a/crates/types/Cargo.toml b/crates/types/Cargo.toml
index aefc55cfd..c4ae3f8bb 100644
--- a/crates/types/Cargo.toml
+++ b/crates/types/Cargo.toml
@@ -34,4 +34,5 @@ std = [
     "revm-precompile/std"
 ]
 debug-print = []
-fast-panic = []
\ No newline at end of file
+fast-panic = []
+fluent-testnet = []
diff --git a/crates/types/src/lib.rs b/crates/types/src/lib.rs
index 5d2124de2..4ad905c94 100644
--- a/crates/types/src/lib.rs
+++ b/crates/types/src/lib.rs
@@ -56,11 +56,14 @@ pub const CALL_DEPTH_ROOT: u32 = 0;
 pub const DEVELOPER_PREVIEW_CHAIN_ID: u64 = 10993;
 
 /// A relation between fuel and gas,
-/// according to our benchmarks, average WebAssembly instruction is ~1000 faster than average EVM
+/// according to our benchmarks, average WebAssembly instruction is ~20 times faster than average EVM
 /// instruction.
 ///
 /// The value can be changed in the future.
+#[cfg(feature = "fluent-testnet")]
 pub const FUEL_DENOM_RATE: u64 = 1000;
+#[cfg(not(feature = "fluent-testnet"))]
+pub const FUEL_DENOM_RATE: u64 = 20;
 
 /// A max rWasm call stack limit
 pub const CALL_STACK_LIMIT: u32 = 1024;
diff --git a/crates/universal-token/Cargo.toml b/crates/universal-token/Cargo.toml
index 4be727459..b1ef2a6da 100644
--- a/crates/universal-token/Cargo.toml
+++ b/crates/universal-token/Cargo.toml
@@ -28,3 +28,7 @@ default = [
 ]
 std = []
 debug-print = []
+fluent-testnet = [
+	"fluentbase-sdk/fluent-testnet",
+	"fluentbase-svm-common/fluent-testnet"
+]
diff --git a/e2e/Cargo.toml b/e2e/Cargo.toml
index e031d4a4c..82a02e64a 100644
--- a/e2e/Cargo.toml
+++ b/e2e/Cargo.toml
@@ -51,6 +51,7 @@ ark-serialize = { workspace = true }
 [features]
 default = [
     "std",
+    "fluent-testnet",
     #    "wasmtime",
     #    "debug-print",
     #    "enable-svm",
@@ -81,6 +82,17 @@ wasmtime = [
     "fluentbase-runtime/wasmtime",
     "fluentbase-revm/wasmtime",
 ]
+fluent-testnet = [
+	"fluentbase-contracts/fluent-testnet",
+	"fluentbase-genesis/fluent-testnet",
+	"fluentbase-revm/fluent-testnet",
+	"fluentbase-runtime/fluent-testnet",
+	"fluentbase-sdk/fluent-testnet",
+	"fluentbase-svm/fluent-testnet",
+	"fluentbase-svm-common/fluent-testnet",
+	"fluentbase-testing/fluent-testnet",
+	"fluentbase-universal-token/fluent-testnet"
+]
 
 [[bench]]
 name = "erc20"
diff --git a/evm-e2e/Cargo.toml b/evm-e2e/Cargo.toml
index bd3a97615..af887a2bf 100644
--- a/evm-e2e/Cargo.toml
+++ b/evm-e2e/Cargo.toml
@@ -5,10 +5,10 @@ edition = "2021"
 resolver = "2"
 
 [dependencies]
-fluentbase-runtime = { path = "../crates/runtime" }
-fluentbase-contracts = { path = "../crates/contracts", default-features = false }
-fluentbase-sdk = { path = "../crates/sdk" }
-fluentbase-genesis = { path = "../crates/genesis", default-features = false }
+fluentbase-runtime = { path = "../crates/runtime", features = ["fluent-testnet"]}
+fluentbase-contracts = { path = "../crates/contracts", default-features = false, features = ["fluent-testnet"] }
+fluentbase-sdk = { path = "../crates/sdk", features = ["fluent-testnet"] }
+fluentbase-genesis = { path = "../crates/genesis", default-features = false, features = ["fluent-testnet"] }
 
 revm = { git = "https://github.com/fluentlabs-xyz/revm-rwasm.git", branch = "v82-patched", default-features = false, features = ["std", "serde-json", "serde"] }
 #revm = { path = "../../revm-rwasm/crates/revm", default-features = false, features = ["std", "serde-json", "serde"] }
diff --git a/examples/abi-solidity/Cargo.toml b/examples/abi-solidity/Cargo.toml
index fb0d2044c..f4d43b331 100644
--- a/examples/abi-solidity/Cargo.toml
+++ b/examples/abi-solidity/Cargo.toml
@@ -17,3 +17,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/examples/checkmate/Cargo.toml b/examples/checkmate/Cargo.toml
index 043a53898..904c5952c 100644
--- a/examples/checkmate/Cargo.toml
+++ b/examples/checkmate/Cargo.toml
@@ -19,3 +19,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/examples/client-solidity/Cargo.toml b/examples/client-solidity/Cargo.toml
index 2cb9c5dfa..55ca2b78f 100644
--- a/examples/client-solidity/Cargo.toml
+++ b/examples/client-solidity/Cargo.toml
@@ -17,3 +17,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/examples/constructor-params/Cargo.toml b/examples/constructor-params/Cargo.toml
index 22c11077e..90c5056fe 100644
--- a/examples/constructor-params/Cargo.toml
+++ b/examples/constructor-params/Cargo.toml
@@ -16,3 +16,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/examples/erc20/Cargo.toml b/examples/erc20/Cargo.toml
index f1f3393e9..35d7e229a 100644
--- a/examples/erc20/Cargo.toml
+++ b/examples/erc20/Cargo.toml
@@ -19,3 +19,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/examples/greeting/Cargo.toml b/examples/greeting/Cargo.toml
index 3f16064c9..f17365f9a 100644
--- a/examples/greeting/Cargo.toml
+++ b/examples/greeting/Cargo.toml
@@ -16,3 +16,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/examples/json/Cargo.toml b/examples/json/Cargo.toml
index 488b5bde6..2d5e00aae 100644
--- a/examples/json/Cargo.toml
+++ b/examples/json/Cargo.toml
@@ -19,3 +19,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/examples/keccak/Cargo.toml b/examples/keccak/Cargo.toml
index 5b341cb2b..3372c96c2 100644
--- a/examples/keccak/Cargo.toml
+++ b/examples/keccak/Cargo.toml
@@ -16,3 +16,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/examples/panic/Cargo.toml b/examples/panic/Cargo.toml
index 88216f7cd..4e0b2aa9a 100644
--- a/examples/panic/Cargo.toml
+++ b/examples/panic/Cargo.toml
@@ -16,3 +16,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/examples/router-solidity/Cargo.toml b/examples/router-solidity/Cargo.toml
index 688c87585..f770e8d6f 100644
--- a/examples/router-solidity/Cargo.toml
+++ b/examples/router-solidity/Cargo.toml
@@ -18,3 +18,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/examples/rwasm/Cargo.toml b/examples/rwasm/Cargo.toml
index c3f2b4235..decc76d43 100644
--- a/examples/rwasm/Cargo.toml
+++ b/examples/rwasm/Cargo.toml
@@ -16,3 +16,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/examples/secp256k1/Cargo.toml b/examples/secp256k1/Cargo.toml
index 27967b1b3..308a9216a 100644
--- a/examples/secp256k1/Cargo.toml
+++ b/examples/secp256k1/Cargo.toml
@@ -28,3 +28,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/examples/sha256/Cargo.toml b/examples/sha256/Cargo.toml
index 73081ca58..08184e02c 100644
--- a/examples/sha256/Cargo.toml
+++ b/examples/sha256/Cargo.toml
@@ -16,3 +16,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/examples/simple-storage/Cargo.toml b/examples/simple-storage/Cargo.toml
index 2fe284d16..15c6ee720 100644
--- a/examples/simple-storage/Cargo.toml
+++ b/examples/simple-storage/Cargo.toml
@@ -23,3 +23,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/examples/storage-usage/Cargo.toml b/examples/storage-usage/Cargo.toml
index 81c4a7c30..bbd78a708 100644
--- a/examples/storage-usage/Cargo.toml
+++ b/examples/storage-usage/Cargo.toml
@@ -27,3 +27,7 @@ debug = true
 
 [profile.test]
 debug = true
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/examples/storage/Cargo.toml b/examples/storage/Cargo.toml
index f0b5351a7..0268039cc 100644
--- a/examples/storage/Cargo.toml
+++ b/examples/storage/Cargo.toml
@@ -25,3 +25,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]
diff --git a/examples/tiny-keccak/Cargo.toml b/examples/tiny-keccak/Cargo.toml
index e75bf575e..243ec0575 100644
--- a/examples/tiny-keccak/Cargo.toml
+++ b/examples/tiny-keccak/Cargo.toml
@@ -17,3 +17,7 @@ path = "lib.rs"
 [features]
 default = ["std"]
 std = ["fluentbase-sdk/std"]
+fluent-testnet = [
+    "fluentbase-sdk/fluent-testnet",
+    "fluentbase-testing/fluent-testnet"
+]