diff --git a/.gitignore b/.gitignore
index 6062c68..f197e62 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 cache/
 out/
 node_modules
-broadcast
\ No newline at end of file
+broadcast
+.env
\ No newline at end of file
diff --git a/README.md b/README.md
index 8184a45..fc06d29 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,27 @@
 
 </div>
 
-## Getting Started
+
+## Deployments
+
+The contract is deployed on Goerli and Mainnet:
+
+| Chain | Address | 
+| -------- | -------- |
+| Mainnet    |   [0x5caec004f1378fbfd54a11e9f00e2aad32796b33](https://etherscan.io/address/0x5caec004f1378fbfd54a11e9f00e2aad32796b33#readContract)   |
+| Goerli    |   [0x5caec004f1378fbfd54a11e9f00e2aad32796b33](https://goerli.etherscan.io/address/0x5caec004f1378fbfd54a11e9f00e2aad32796b33#readContract)  |
+
+### Using the contract
+
+You can use cast to directly query the value as follow (mainnet rpc example):
+
+```
+cast call 0x5caec004f1378fbfd54a11e9f00e2aad32796b33  "getEthTwaIV(uint32)(uint256)" 120 --rpc-url https://rpc.ankr.com/eth
+```
+
+## Development
+
+### Getting Started
 
 Compile and run tests
 
@@ -21,9 +41,10 @@ forge build
 forge test
 ```
 
-### Using the contract
 
-The contract is still in development phase and not yet deployed. But you can already stimulate the gas cost and result of the current mainnet state with foundry script:
+### Estimation
+
+You can clone the contract, tune in a bit and use the following script to estimate real world vol value.
 
 ```shell
 forge script scripts/Deploy.sol --fork-url <mainnet rpc>
@@ -39,14 +60,6 @@ Output:
 
 ```
 
-### Deployment
-
-Run the script to deploy your own contract instance on mainnet.
-
-```shell
-forge script scripts/Deploy.sol --fork-url <mainnet rpc> --broadcast --verify -vvvv
-```
-
 #### Gas Cost
 
 The gas cost is around 46K ~ 140K, depends on:
diff --git a/lib/forge-std b/lib/forge-std
index 6b4ca42..2a2ce36 160000
--- a/lib/forge-std
+++ b/lib/forge-std
@@ -1 +1 @@
-Subproject commit 6b4ca42943f093642bac31783b08aa52a5a6ff64
+Subproject commit 2a2ce3692b8c1523b29de3ec9d961ee9fbbc43a6
diff --git a/scripts/Deploy.sol b/scripts/Deploy.sol
index 28eac0c..0fb2161 100644
--- a/scripts/Deploy.sol
+++ b/scripts/Deploy.sol
@@ -17,6 +17,8 @@ contract Deploy is Script {
         assembly { chainId := chainid() }
         require(chainId == 1 || chainId == 5, "wrong chain");
 
+        console.log("deployer: ", msg.sender);
+
         deploy(chainId);
 
         vm.stopBroadcast();