diff --git a/packages/address-converter/src/converter.ts b/packages/address-converter/src/converter.ts
index 0bc6db6d..b3077b99 100644
--- a/packages/address-converter/src/converter.ts
+++ b/packages/address-converter/src/converter.ts
@@ -33,11 +33,11 @@ const hexChecksumChain = (name: string, chainId?: number) => ({
 
 export const ETH = hexChecksumChain('ETH')
 
-function makeBech32Encoder(prefix: string) {
+export function makeBech32Encoder(prefix: string) {
   return (data: Buffer) => bech32.encode(prefix, bech32.toWords(data))
 }
 
-function makeBech32Decoder(currentPrefix: string) {
+export function makeBech32Decoder(currentPrefix: string) {
   return (data: string) => {
     const { prefix, words } = bech32.decode(data)
     if (prefix !== currentPrefix) {
@@ -47,7 +47,7 @@ function makeBech32Decoder(currentPrefix: string) {
   }
 }
 
-const bech32Chain = (name: string, prefix: string) => ({
+export const bech32Chain = (name: string, prefix: string) => ({
   decoder: makeBech32Decoder(prefix),
   encoder: makeBech32Encoder(prefix),
   name,