diff --git a/CHANGELOG.md b/CHANGELOG.md
index 33d9a166d..0b181783d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## [4.2.12] - 2024.2.28
+
+### Added
+
+- Added support for Cronos and Fantom rpc loadbalancer.
+
 ## [4.2.11] - 2024.2.22
 
 ### Fixed
diff --git a/package.json b/package.json
index 6e0bd5b0f..c379c83aa 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tatumio/tatum",
-  "version": "4.2.11",
+  "version": "4.2.12",
   "description": "Tatum JS SDK",
   "author": "Tatum",
   "repository": "https://github.com/tatumio/tatum-js",
diff --git a/src/dto/Network.ts b/src/dto/Network.ts
index 64bc7b757..ead724ea3 100644
--- a/src/dto/Network.ts
+++ b/src/dto/Network.ts
@@ -16,7 +16,7 @@ export enum Network {
   BITCOIN_CASH = 'bitcoin-cash-mainnet',
   CARDANO_ROSETTA = 'cardano-mainnet',
   CELO = 'celo-mainnet',
-  CRONOS = 'cro-mainnet',
+  CRONOS = 'cronos-mainnet',
   DOGECOIN = 'doge-mainnet',
   EOS = 'eos-mainnet',
   HORIZEN_EON = 'eon-mainnet',
@@ -160,7 +160,7 @@ export const UTXO_BASED_NETWORKS = [
   Network.LITECOIN,
   Network.LITECOIN_TESTNET,
   Network.ZCASH,
-  Network.ZCASH_TESTNET
+  Network.ZCASH_TESTNET,
 ]
 
 export const UTXO_LOAD_BALANCER_ESTIMATE_FEE_NETWORKS = [Network.BITCOIN_CASH]
@@ -228,6 +228,8 @@ export const EVM_LOAD_BALANCER_NETWORKS = [
   Network.CELO,
   Network.CELO_ALFAJORES,
   Network.XINFIN,
+  Network.FANTOM,
+  Network.CRONOS,
 ]
 
 export const TRON_LOAD_BALANCER_NETWORKS = [Network.TRON]
@@ -285,7 +287,8 @@ export const isUtxoBasedNetwork = (network: Network) => UTXO_BASED_NETWORKS.incl
 export const isUtxoLoadBalancerEstimateFeeNetwork = (network: Network) =>
   UTXO_LOAD_BALANCER_ESTIMATE_FEE_NETWORKS.includes(network)
 
-export const isDogecoinLoadBalancedNetwork = (network: Network) => DOGECOIN_LOAD_BALANCED_NETWORKS.includes(network)
+export const isDogecoinLoadBalancedNetwork = (network: Network) =>
+  DOGECOIN_LOAD_BALANCED_NETWORKS.includes(network)
 
 export const isUtxoEstimateFeeNetwork = (network: Network) => UTXO_ESTIMATE_FEE_NETWORKS.includes(network)
 
diff --git a/src/e2e/rpc/evm/evm.rpc.spec.ts b/src/e2e/rpc/evm/evm.rpc.spec.ts
index 2d85650f0..ef4faaa6e 100644
--- a/src/e2e/rpc/evm/evm.rpc.spec.ts
+++ b/src/e2e/rpc/evm/evm.rpc.spec.ts
@@ -26,7 +26,7 @@ const testNetworks = [
   { network: Network.ETHEREUM_SEPOLIA },
   { network: Network.ETHEREUM_HOLESKY },
   { network: Network.ETHEREUM_GOERLI, apiKey: process.env.V3_API_KEY_TESTNET },
-  { network: Network.FANTOM, apiKey: process.env.V3_API_KEY_MAINNET },
+  { network: Network.FANTOM },
   { network: Network.FANTOM_TESTNET, apiKey: process.env.V3_API_KEY_TESTNET },
   { network: Network.ETHEREUM_CLASSIC },
   { network: Network.POLYGON },
@@ -69,6 +69,8 @@ const testNetworks = [
   {
     network: Network.XINFIN,
   },
+  { network: Network.CRONOS },
+  { network: Network.CRONOS_TESTNET, apiKey: process.env.V3_API_KEY_TESTNET },
 ]
 
 describe.each(testNetworks)('RPC EVM', (testNetwork) => {