diff --git a/.openzeppelin/unknown-21001.json b/.openzeppelin/unknown-21001.json
new file mode 100644
index 00000000..95fd813d
--- /dev/null
+++ b/.openzeppelin/unknown-21001.json
@@ -0,0 +1,463 @@
+{
+  "manifestVersion": "3.2",
+  "proxies": [
+    {
+      "address": "0x975556428F077dB5877Ea2474D783D6C69233742",
+      "txHash": "0x26e46dc720bc01d4977197cbe2500322014c43ed301760ed8878dbad8b66b82f",
+      "kind": "transparent"
+    },
+    {
+      "address": "0x58485809CfAc875B7E6F54E3fCb5f24614f202e9",
+      "txHash": "0x3bee1c762e020c1b79622e677e0d643b56ce4886bd589462b11017980ed80d54",
+      "kind": "transparent"
+    }
+  ],
+  "impls": {
+    "1a26f02b2d5ea8eba57fe8d8aa7553de55618a72afd54b4ef3e915099ff5e281": {
+      "address": "0xd6EdDbf024188254C4382a705BA4aCf24639a014",
+      "txHash": "0x8119f0bbfbe6545cde9215bd84cf535f1d1a6b5c26684d713d917ace55f8dcb0",
+      "layout": {
+        "solcVersion": "0.8.20",
+        "storage": [
+          {
+            "label": "__gap",
+            "offset": 0,
+            "slot": "0",
+            "type": "t_array(t_uint256)651_storage",
+            "contract": "State",
+            "src": "contracts/state/State.sol:27"
+          },
+          {
+            "label": "verifier",
+            "offset": 0,
+            "slot": "651",
+            "type": "t_contract(IStateTransitionVerifier)1639",
+            "contract": "State",
+            "src": "contracts/state/State.sol:32"
+          },
+          {
+            "label": "_stateData",
+            "offset": 0,
+            "slot": "652",
+            "type": "t_struct(Data)6456_storage",
+            "contract": "State",
+            "src": "contracts/state/State.sol:37"
+          },
+          {
+            "label": "_gistData",
+            "offset": 0,
+            "slot": "702",
+            "type": "t_struct(Data)4728_storage",
+            "contract": "State",
+            "src": "contracts/state/State.sol:42"
+          },
+          {
+            "label": "_defaultIdType",
+            "offset": 0,
+            "slot": "752",
+            "type": "t_bytes2",
+            "contract": "State",
+            "src": "contracts/state/State.sol:47"
+          },
+          {
+            "label": "_defaultIdTypeInitialized",
+            "offset": 2,
+            "slot": "752",
+            "type": "t_bool",
+            "contract": "State",
+            "src": "contracts/state/State.sol:52"
+          }
+        ],
+        "types": {
+          "t_address": {
+            "label": "address",
+            "numberOfBytes": "20"
+          },
+          "t_bool": {
+            "label": "bool",
+            "numberOfBytes": "1"
+          },
+          "t_struct(InitializableStorage)105_storage": {
+            "label": "struct Initializable.InitializableStorage",
+            "members": [
+              {
+                "label": "_initialized",
+                "type": "t_uint64",
+                "offset": 0,
+                "slot": "0"
+              },
+              {
+                "label": "_initializing",
+                "type": "t_bool",
+                "offset": 8,
+                "slot": "0"
+              }
+            ],
+            "numberOfBytes": "32"
+          },
+          "t_struct(Ownable2StepStorage)14_storage": {
+            "label": "struct Ownable2StepUpgradeable.Ownable2StepStorage",
+            "members": [
+              {
+                "label": "_pendingOwner",
+                "type": "t_address",
+                "offset": 0,
+                "slot": "0"
+              }
+            ],
+            "numberOfBytes": "32"
+          },
+          "t_struct(OwnableStorage)55_storage": {
+            "label": "struct OwnableUpgradeable.OwnableStorage",
+            "members": [
+              {
+                "label": "_owner",
+                "type": "t_address",
+                "offset": 0,
+                "slot": "0"
+              }
+            ],
+            "numberOfBytes": "32"
+          },
+          "t_uint64": {
+            "label": "uint64",
+            "numberOfBytes": "8"
+          },
+          "t_array(t_struct(Entry)6437_storage)dyn_storage": {
+            "label": "struct StateLib.Entry[]",
+            "numberOfBytes": "32"
+          },
+          "t_array(t_struct(RootEntry)4755_storage)dyn_storage": {
+            "label": "struct SmtLib.RootEntry[]",
+            "numberOfBytes": "32"
+          },
+          "t_array(t_uint256)45_storage": {
+            "label": "uint256[45]",
+            "numberOfBytes": "1440"
+          },
+          "t_array(t_uint256)48_storage": {
+            "label": "uint256[48]",
+            "numberOfBytes": "1536"
+          },
+          "t_array(t_uint256)651_storage": {
+            "label": "uint256[651]",
+            "numberOfBytes": "20832"
+          },
+          "t_array(t_uint256)dyn_storage": {
+            "label": "uint256[]",
+            "numberOfBytes": "32"
+          },
+          "t_bytes2": {
+            "label": "bytes2",
+            "numberOfBytes": "2"
+          },
+          "t_contract(IStateTransitionVerifier)1639": {
+            "label": "contract IStateTransitionVerifier",
+            "numberOfBytes": "20"
+          },
+          "t_enum(NodeType)4704": {
+            "label": "enum SmtLib.NodeType",
+            "members": [
+              "EMPTY",
+              "LEAF",
+              "MIDDLE"
+            ],
+            "numberOfBytes": "1"
+          },
+          "t_mapping(t_uint256,t_array(t_struct(Entry)6437_storage)dyn_storage)": {
+            "label": "mapping(uint256 => struct StateLib.Entry[])",
+            "numberOfBytes": "32"
+          },
+          "t_mapping(t_uint256,t_array(t_uint256)dyn_storage)": {
+            "label": "mapping(uint256 => uint256[])",
+            "numberOfBytes": "32"
+          },
+          "t_mapping(t_uint256,t_mapping(t_uint256,t_array(t_uint256)dyn_storage))": {
+            "label": "mapping(uint256 => mapping(uint256 => uint256[]))",
+            "numberOfBytes": "32"
+          },
+          "t_mapping(t_uint256,t_struct(Node)4782_storage)": {
+            "label": "mapping(uint256 => struct SmtLib.Node)",
+            "numberOfBytes": "32"
+          },
+          "t_struct(Data)4728_storage": {
+            "label": "struct SmtLib.Data",
+            "members": [
+              {
+                "label": "nodes",
+                "type": "t_mapping(t_uint256,t_struct(Node)4782_storage)",
+                "offset": 0,
+                "slot": "0"
+              },
+              {
+                "label": "rootEntries",
+                "type": "t_array(t_struct(RootEntry)4755_storage)dyn_storage",
+                "offset": 0,
+                "slot": "1"
+              },
+              {
+                "label": "rootIndexes",
+                "type": "t_mapping(t_uint256,t_array(t_uint256)dyn_storage)",
+                "offset": 0,
+                "slot": "2"
+              },
+              {
+                "label": "maxDepth",
+                "type": "t_uint256",
+                "offset": 0,
+                "slot": "3"
+              },
+              {
+                "label": "initialized",
+                "type": "t_bool",
+                "offset": 0,
+                "slot": "4"
+              },
+              {
+                "label": "__gap",
+                "type": "t_array(t_uint256)45_storage",
+                "offset": 0,
+                "slot": "5"
+              }
+            ],
+            "numberOfBytes": "1600"
+          },
+          "t_struct(Data)6456_storage": {
+            "label": "struct StateLib.Data",
+            "members": [
+              {
+                "label": "stateEntries",
+                "type": "t_mapping(t_uint256,t_array(t_struct(Entry)6437_storage)dyn_storage)",
+                "offset": 0,
+                "slot": "0"
+              },
+              {
+                "label": "stateIndexes",
+                "type": "t_mapping(t_uint256,t_mapping(t_uint256,t_array(t_uint256)dyn_storage))",
+                "offset": 0,
+                "slot": "1"
+              },
+              {
+                "label": "__gap",
+                "type": "t_array(t_uint256)48_storage",
+                "offset": 0,
+                "slot": "2"
+              }
+            ],
+            "numberOfBytes": "1600"
+          },
+          "t_struct(Entry)6437_storage": {
+            "label": "struct StateLib.Entry",
+            "members": [
+              {
+                "label": "state",
+                "type": "t_uint256",
+                "offset": 0,
+                "slot": "0"
+              },
+              {
+                "label": "timestamp",
+                "type": "t_uint256",
+                "offset": 0,
+                "slot": "1"
+              },
+              {
+                "label": "block",
+                "type": "t_uint256",
+                "offset": 0,
+                "slot": "2"
+              }
+            ],
+            "numberOfBytes": "96"
+          },
+          "t_struct(Node)4782_storage": {
+            "label": "struct SmtLib.Node",
+            "members": [
+              {
+                "label": "nodeType",
+                "type": "t_enum(NodeType)4704",
+                "offset": 0,
+                "slot": "0"
+              },
+              {
+                "label": "childLeft",
+                "type": "t_uint256",
+                "offset": 0,
+                "slot": "1"
+              },
+              {
+                "label": "childRight",
+                "type": "t_uint256",
+                "offset": 0,
+                "slot": "2"
+              },
+              {
+                "label": "index",
+                "type": "t_uint256",
+                "offset": 0,
+                "slot": "3"
+              },
+              {
+                "label": "value",
+                "type": "t_uint256",
+                "offset": 0,
+                "slot": "4"
+              }
+            ],
+            "numberOfBytes": "160"
+          },
+          "t_struct(RootEntry)4755_storage": {
+            "label": "struct SmtLib.RootEntry",
+            "members": [
+              {
+                "label": "root",
+                "type": "t_uint256",
+                "offset": 0,
+                "slot": "0"
+              },
+              {
+                "label": "createdAtTimestamp",
+                "type": "t_uint256",
+                "offset": 0,
+                "slot": "1"
+              },
+              {
+                "label": "createdAtBlock",
+                "type": "t_uint256",
+                "offset": 0,
+                "slot": "2"
+              }
+            ],
+            "numberOfBytes": "96"
+          },
+          "t_uint256": {
+            "label": "uint256",
+            "numberOfBytes": "32"
+          }
+        },
+        "namespaces": {
+          "erc7201:openzeppelin.storage.Ownable2Step": [
+            {
+              "contract": "Ownable2StepUpgradeable",
+              "label": "_pendingOwner",
+              "type": "t_address",
+              "src": "@openzeppelin/contracts-upgradeable/access/Ownable2StepUpgradeable.sol:23",
+              "offset": 0,
+              "slot": "0"
+            }
+          ],
+          "erc7201:openzeppelin.storage.Ownable": [
+            {
+              "contract": "OwnableUpgradeable",
+              "label": "_owner",
+              "type": "t_address",
+              "src": "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol:24",
+              "offset": 0,
+              "slot": "0"
+            }
+          ],
+          "erc7201:openzeppelin.storage.Initializable": [
+            {
+              "contract": "Initializable",
+              "label": "_initialized",
+              "type": "t_uint64",
+              "src": "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol:69",
+              "offset": 0,
+              "slot": "0"
+            },
+            {
+              "contract": "Initializable",
+              "label": "_initializing",
+              "type": "t_bool",
+              "src": "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol:73",
+              "offset": 8,
+              "slot": "0"
+            }
+          ]
+        }
+      }
+    },
+    "9e2999e6b98c9406d66bfd5d4ff0ccb7f2c1856014721814bce92d9e6e2f3954": {
+      "address": "0x880145dc1386207c0dfc1088650B7ff9a81E67CB",
+      "txHash": "0xea620b4a34e24615eb8d1d55093914e11970d5c7d451a1cfdf81e04674beaf58",
+      "layout": {
+        "solcVersion": "0.8.20",
+        "storage": [],
+        "types": {
+          "t_bool": {
+            "label": "bool",
+            "numberOfBytes": "1"
+          },
+          "t_contract(IState)464": {
+            "label": "contract IState",
+            "numberOfBytes": "20"
+          },
+          "t_struct(IdentityTreeStoreMainStorage)226_storage": {
+            "label": "struct IdentityTreeStore.IdentityTreeStoreMainStorage",
+            "members": [
+              {
+                "label": "_state",
+                "type": "t_contract(IState)464",
+                "offset": 0,
+                "slot": "0"
+              }
+            ],
+            "numberOfBytes": "32"
+          },
+          "t_struct(InitializableStorage)105_storage": {
+            "label": "struct Initializable.InitializableStorage",
+            "members": [
+              {
+                "label": "_initialized",
+                "type": "t_uint64",
+                "offset": 0,
+                "slot": "0"
+              },
+              {
+                "label": "_initializing",
+                "type": "t_bool",
+                "offset": 8,
+                "slot": "0"
+              }
+            ],
+            "numberOfBytes": "32"
+          },
+          "t_uint64": {
+            "label": "uint64",
+            "numberOfBytes": "8"
+          }
+        },
+        "namespaces": {
+          "erc7201:iden3.storage.IdentityTreeStore.Main": [
+            {
+              "contract": "IdentityTreeStore",
+              "label": "_state",
+              "type": "t_contract(IState)464",
+              "src": "contracts/identitytreestore/IdentityTreeStore.sol:50",
+              "offset": 0,
+              "slot": "0"
+            }
+          ],
+          "erc7201:openzeppelin.storage.Initializable": [
+            {
+              "contract": "Initializable",
+              "label": "_initialized",
+              "type": "t_uint64",
+              "src": "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol:69",
+              "offset": 0,
+              "slot": "0"
+            },
+            {
+              "contract": "Initializable",
+              "label": "_initializing",
+              "type": "t_bool",
+              "src": "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol:73",
+              "offset": 8,
+              "slot": "0"
+            }
+          ]
+        }
+      }
+    }
+  }
+}
diff --git a/README.md b/README.md
index a242de9b..ac58a7de 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,8 @@
 |:--------------------------:|:------------------------------------------:|
 | **Polygon Mainnet**        | 0x624ce98D2d27b20b8f8d521723Df8fC4db71D79D |
 | **Polygon Amoy testnet**   | 0x1a4cC30f2aA0377b0c3bc9848766D90cb4404124 |
+| **Privado Main**           | 0x975556428F077dB5877Ea2474D783D6C69233742 |
+| **Privado testnet**        | 0x975556428F077dB5877Ea2474D783D6C69233742 |
 | Polygon Mumbai testnet     | 0x134B1BE34911E39A8397ec6289782989729807a4 |
 
 ## IdentityTreeStore contract (On-chain RHS)
@@ -17,6 +19,8 @@
 |:--------------------------:|:------------------------------------------:|
 | **Polygon Mainnet**        | 0xbEeB6bB53504E8C872023451fd0D23BeF01d320B |
 | **Polygon Amoy testnet**   | 0x3d3763eC0a50CE1AdF83d0b5D99FBE0e3fEB43fb |
+| **Privado Main**           | 0x58485809CfAc875B7E6F54E3fCb5f24614f202e9 |
+| **Privado testnet**        | 0x58485809CfAc875B7E6F54E3fCb5f24614f202e9 |
 | Polygon Mumbai testnet     | 0x16A1ae4c460C0a42f0a87e69c526c61599B28BC9 |
 
 
diff --git a/hardhat.config.ts b/hardhat.config.ts
index 2ee92448..eae2fd71 100644
--- a/hardhat.config.ts
+++ b/hardhat.config.ts
@@ -44,6 +44,16 @@ const config: HardhatUserConfig = {
     //   url: `${process.env.MUMBAI_RPC_URL}`,
     //   accounts: [`0x${process.env.MUMBAI_PRIVATE_KEY}`],
     // },
+    // 'privado-main': {
+    //   chainId: 21000,
+    //   url: `${process.env.PRIVADO_MAIN_RPC_URL}`,
+    //   accounts: [`0x${process.env.PRIVADO_MAIN_PRIVATE_KEY}`],
+    // },
+    // 'privado-test': {
+    //   chainId: 21001,
+    //   url: `${process.env.PRIVADO_TEST_RPC_URL}`,
+    //   accounts: [`0x${process.env.PRIVADO_TEST_PRIVATE_KEY}`],
+    // },        
     // amoy: {
     //   chainId: 80002,
     //   url: `${process.env.AMOY_RPC_URL}`,
diff --git a/helpers/ChainIdDefTypeMap.ts b/helpers/ChainIdDefTypeMap.ts
index b6fef3ac..1af6630e 100644
--- a/helpers/ChainIdDefTypeMap.ts
+++ b/helpers/ChainIdDefTypeMap.ts
@@ -5,4 +5,6 @@ export const chainIdDefaultIdTypeMap = new Map()
   .set(137, "0x0211") // polygon main
   .set(80001, "0x0212") // polygon mumbai
   .set(80002, "0x0213") // polygon amoy
-  .set(11155111, "0x0223"); // ethereum sepolia
+  .set(11155111, "0x0223") // ethereum sepolia
+  .set(21000, '0x01A1')  // privado-main
+  .set(21001, '0x01A2'); // privado-test