diff --git a/src/constants/currencies.ts b/src/constants/currencies.ts
index 55af765f7..781c90f30 100644
--- a/src/constants/currencies.ts
+++ b/src/constants/currencies.ts
@@ -1446,7 +1446,7 @@ export const BitpaySupportedEvmCoins: {[key in string]: CurrencyOpts} = {
   arb: {
     name: 'Arbitrum',
     chain: 'arb',
-    coin: 'arb',
+    coin: 'eth',
     feeCurrency: 'eth',
     unitInfo: {
       unitName: 'Arbitrum',
@@ -1484,7 +1484,7 @@ export const BitpaySupportedEvmCoins: {[key in string]: CurrencyOpts} = {
   base: {
     name: 'Base',
     chain: 'base',
-    coin: 'base',
+    coin: 'eth',
     feeCurrency: 'eth',
     unitInfo: {
       unitName: 'Base',
diff --git a/src/utils/helper-methods.ts b/src/utils/helper-methods.ts
index 9369ab148..8c7b14341 100644
--- a/src/utils/helper-methods.ts
+++ b/src/utils/helper-methods.ts
@@ -400,6 +400,23 @@ export const getEVMFeeCurrency = (chain: string): string => {
   }
 };
 
+export const getCWCChain = (chain: string): string => {
+  switch (chain.toLowerCase()) {
+    case 'eth':
+      return 'ETHERC20';
+    case 'matic':
+      return 'MATICERC20';
+    case 'arb':
+      return 'ARBERC20';
+    case 'base':
+      return 'BASEERC20';
+    case 'op':
+      return 'OPERC20';
+    default:
+      return 'ETHERC20';
+  }
+};
+
 export const getChainUsingSuffix = (symbol: string) => {
   const suffix = symbol.charAt(symbol.length - 1);
   switch (suffix) {