diff --git a/sdk/localsdk/multichain/configs/chainProviders.ts b/sdk/localsdk/multichain/configs/chainProviders.ts
index d1022a474..c73088c1b 100644
--- a/sdk/localsdk/multichain/configs/chainProviders.ts
+++ b/sdk/localsdk/multichain/configs/chainProviders.ts
@@ -33,6 +33,10 @@ export const chainProviders = {
         mainnet: "https://stargaze-rpc.publicnode.com:443",
         testnet: "https://rpc.elgafar-1.stargaze-apis.com",
     },
+    atom: {
+        mainnet: "https://cosmos-rpc.publicnode.com:443",
+        testnet: "https://rpc.provider-sentry-01.ics-testnet.polypore.xyz",
+    },
     near: {
         mainnet: "https://rpc.near.org",
         testnet: "https://rpc.testnet.near.org",
diff --git a/sdk/localsdk/multichain/configs/ibcProviders.ts b/sdk/localsdk/multichain/configs/ibcProviders.ts
deleted file mode 100644
index 8d4a43ad5..000000000
--- a/sdk/localsdk/multichain/configs/ibcProviders.ts
+++ /dev/null
@@ -1,6 +0,0 @@
-export default {
-    cosmos: {
-        mainnet: "",
-        testnet: "https://rpc.sentry-01.theta-testnet.polypore.xyz",
-    },
-}
\ No newline at end of file
diff --git a/src/features/multichain/routines/executors/pay.ts b/src/features/multichain/routines/executors/pay.ts
index 3ee2616f4..c1ea365c7 100644
--- a/src/features/multichain/routines/executors/pay.ts
+++ b/src/features/multichain/routines/executors/pay.ts
@@ -69,6 +69,7 @@ export default async function handlePayOperation(
             break
 
         case "ibc":
+        case "atom":
             result = await genericJsonRpcPay(multichain.IBC, rpcUrl, operation)
             break
 
diff --git a/src/libs/blockchain/gcr/gcr_routines/identityManager.ts b/src/libs/blockchain/gcr/gcr_routines/identityManager.ts
index 9b398ab4f..0aca5fb19 100644
--- a/src/libs/blockchain/gcr/gcr_routines/identityManager.ts
+++ b/src/libs/blockchain/gcr/gcr_routines/identityManager.ts
@@ -44,6 +44,7 @@ const chains: { [key: string]: typeof DefaultChain } = {
     ton: TON,
     xrpl: XRPL,
     ibc: IBC,
+    atom: IBC,
     near: NEAR,
     // @ts-expect-error - BTC module contains more fields than the DefaultChain type
     btc: BTC,
@@ -207,6 +208,7 @@ export default class IdentityManager {
                 chainId === "xrpl" ||
                 chainId === "ton" ||
                 chainId === "ibc" ||
+                chainId === "atom" ||
                 chainId === "near"
             ) {
                 messageVerified = await sdk.verifyMessage(
diff --git a/src/utilities/validateUint8Array.ts b/src/utilities/validateUint8Array.ts
index 9763a3fa5..60cbce0c1 100644
--- a/src/utilities/validateUint8Array.ts
+++ b/src/utilities/validateUint8Array.ts
@@ -4,6 +4,17 @@ export default function validateIfUint8Array(input: unknown): Uint8Array | unkno
         return input
     }
 
+    // Handle hex strings
+    if (typeof input === "string" && input.startsWith("0x")) {
+        const hexString = input.slice(2) // Remove "0x" prefix
+        // Validate hex string before conversion
+        if (hexString.length % 2 === 0 && /^[0-9a-fA-F]*$/.test(hexString)) {
+            return Buffer.from(hexString, "hex")
+        }
+
+        return input
+    }
+
     // Type guard: check if input is a record-like object with numeric integer keys and number values
     if (typeof input === "object" && input !== null) {
         // Safely cast to indexable type after basic validation