diff --git a/web/cashtab/src/hooks/useBCH.js b/web/cashtab/src/hooks/useBCH.js
--- a/web/cashtab/src/hooks/useBCH.js
+++ b/web/cashtab/src/hooks/useBCH.js
@@ -447,7 +447,6 @@
                 airdropFlag
             ) {
                 const opReturnData = generateOpReturnScript(
-                    BCH,
                     optionalOpReturnMsg,
                     encryptionFlag,
                     airdropFlag,
diff --git a/web/cashtab/src/utils/__tests__/cashMethods.test.js b/web/cashtab/src/utils/__tests__/cashMethods.test.js
--- a/web/cashtab/src/utils/__tests__/cashMethods.test.js
+++ b/web/cashtab/src/utils/__tests__/cashMethods.test.js
@@ -505,7 +505,6 @@
 });
 
 it('generateOpReturnScript() correctly generates an encrypted message script', () => {
-    const BCH = new BCHJS();
     const optionalOpReturnMsg = 'testing generateOpReturnScript()';
     const encryptionFlag = true;
     const airdropFlag = false;
@@ -514,7 +513,6 @@
         '04688f9907fe3c7c0b78a73c4ab4f75e15e7e2b79641add519617086126fe6f6b1405a14eed48e90c9c8c0fc77f0f36984a78173e76ce51f0a44af94b59e9da703c9ff82758cfdb9cc46437d662423400fb731d3bfc1df0599279356ca261213fbb40d398c041e1bac966afed1b404581ab1bcfcde1fa039d53b7c7b70e8edf26d64bea9fbeed24cc80909796e6af5863707fa021f2a2ebaa2fe894904702be19d';
 
     const encodedScript = generateOpReturnScript(
-        BCH,
         optionalOpReturnMsg,
         encryptionFlag,
         airdropFlag,
@@ -527,13 +525,11 @@
 });
 
 it('generateOpReturnScript() correctly generates an un-encrypted non-airdrop message script', () => {
-    const BCH = new BCHJS();
     const optionalOpReturnMsg = 'testing generateOpReturnScript()';
     const encryptionFlag = false;
     const airdropFlag = false;
 
     const encodedScript = generateOpReturnScript(
-        BCH,
         optionalOpReturnMsg,
         encryptionFlag,
         airdropFlag,
@@ -544,7 +540,6 @@
 });
 
 it('generateOpReturnScript() correctly generates an un-encrypted airdrop message script', () => {
-    const BCH = new BCHJS();
     const optionalOpReturnMsg = 'testing generateOpReturnScript()';
     const encryptionFlag = false;
     const airdropFlag = true;
@@ -552,7 +547,6 @@
         '1c6c9c64d70b285befe733f175d0f384538576876bd280b10587df81279d3f5e';
 
     const encodedScript = generateOpReturnScript(
-        BCH,
         optionalOpReturnMsg,
         encryptionFlag,
         airdropFlag,
@@ -564,7 +558,6 @@
 });
 
 it('generateOpReturnScript() correctly generates an un-encrypted airdrop with no message script', () => {
-    const BCH = new BCHJS();
     const optionalOpReturnMsg = null;
     const encryptionFlag = false;
     const airdropFlag = true;
@@ -572,7 +565,6 @@
         '1c6c9c64d70b285befe733f175d0f384538576876bd280b10587df81279d3f5e';
 
     const encodedScript = generateOpReturnScript(
-        BCH,
         optionalOpReturnMsg,
         encryptionFlag,
         airdropFlag,
@@ -584,7 +576,6 @@
 });
 
 it('generateOpReturnScript() correctly throws an error on an invalid encryption input', () => {
-    const BCH = new BCHJS();
     const optionalOpReturnMsg = null;
     const encryptionFlag = true;
     const airdropFlag = false;
@@ -594,7 +585,6 @@
 
     try {
         generateOpReturnScript(
-            BCH,
             optionalOpReturnMsg,
             encryptionFlag,
             airdropFlag,
@@ -608,7 +598,6 @@
 });
 
 it('generateOpReturnScript() correctly throws an error on an invalid airdrop input', () => {
-    const BCH = new BCHJS();
     const optionalOpReturnMsg = null;
     const encryptionFlag = false;
     const airdropFlag = true;
@@ -618,7 +607,6 @@
 
     try {
         generateOpReturnScript(
-            BCH,
             optionalOpReturnMsg,
             encryptionFlag,
             airdropFlag,
diff --git a/web/cashtab/src/utils/cashMethods.js b/web/cashtab/src/utils/cashMethods.js
--- a/web/cashtab/src/utils/cashMethods.js
+++ b/web/cashtab/src/utils/cashMethods.js
@@ -553,6 +553,15 @@
     return value;
 };
 
+export const encodeOpReturnScript = scriptChunks => {
+    // reference https://github.com/Permissionless-Software-Foundation/bch-js/blob/master/src/script.js#L153
+    const arr = [];
+    scriptChunks.forEach(chunk => {
+        arr.push(chunk);
+    });
+    return Bitcoin.script.compile(arr);
+};
+
 /*
  * Generates an OP_RETURN script to reflect the various send XEC permutations
  * involving messaging, encryption, eToken IDs and airdrop flags.
@@ -560,7 +569,6 @@
  * Returns the final encoded script object
  */
 export const generateOpReturnScript = (
-    BCH,
     optionalOpReturnMsg,
     encryptionFlag,
     airdropFlag,
@@ -569,11 +577,7 @@
 ) => {
     // encrypted mesage is mandatory when encryptionFlag is true
     // airdrop token id is mandatory when airdropFlag is true
-    if (
-        !BCH ||
-        (encryptionFlag && !encryptedEj) ||
-        (airdropFlag && !airdropTokenId)
-    ) {
+    if ((encryptionFlag && !encryptedEj) || (airdropFlag && !airdropTokenId)) {
         throw new Error('Invalid OP RETURN script input');
     }
 
@@ -627,7 +631,8 @@
         throw err;
     }
 
-    const data = BCH.Script.encode(script);
+    const data = encodeOpReturnScript(script);
+
     return data;
 };