diff --git a/web/cashtab/src/components/Send/Send.js b/web/cashtab/src/components/Send/Send.js
--- a/web/cashtab/src/components/Send/Send.js
+++ b/web/cashtab/src/components/Send/Send.js
@@ -1,6 +1,15 @@
 import React, { useState, useEffect } from 'react';
 import PropTypes from 'prop-types';
 import { WalletContext } from '@utils/context';
+import {
+    AntdFormWrapper,
+    SendBchInput,
+    FormItemWithQRCodeAddon,
+} from '@components/Common/EnhancedInputs';
+import {
+    StyledCollapse,
+    AdvancedCollapse,
+} from '@components/Common/StyledCollapse';
 import {
     Form,
     message,
@@ -10,21 +19,14 @@
     Input,
     notification,
 } from 'antd';
+const { Panel } = Collapse;
 const { TextArea } = Input;
 import { Row, Col } from 'antd';
-import {
-    StyledCollapse,
-    AdvancedCollapse,
-} from '@components/Common/StyledCollapse';
+import Paragraph from 'antd/lib/typography/Paragraph';
 import PrimaryButton, {
     SecondaryButton,
     SmartButton,
 } from '@components/Common/PrimaryButton';
-import {
-    SendBchInput,
-    FormItemWithQRCodeAddon,
-    AntdFormWrapper,
-} from '@components/Common/EnhancedInputs';
 import useBCH from '@hooks/useBCH';
 import useWindowDimensions from '@hooks/useWindowDimensions';
 import {
@@ -55,7 +57,6 @@
 import Wallet from '@components/Wallet/Wallet';
 import { TokenParamLabel } from '@components/Common/Atoms';
 import { PlusSquareOutlined } from '@ant-design/icons';
-const { Panel } = Collapse;
 import styled from 'styled-components';
 import { convertToEcashPrefix } from '@utils/cashMethods';
 import { CopyToClipboard } from 'react-copy-to-clipboard';
@@ -186,6 +187,8 @@
             return;
         }
 
+        let optionalOpReturnMsg = formData.opReturnMsg;
+
         // Event("Category", "Action", "Label")
         // Track number of BCHA send transactions and whether users
         // are sending BCHA or USD
@@ -236,6 +239,7 @@
                 cleanAddress,
                 bchValue,
                 currency.defaultFee,
+                optionalOpReturnMsg,
             );
             sendXecNotification(link);
         } catch (e) {
@@ -336,6 +340,15 @@
         }));
     };
 
+    const handleOpReturnMsgChange = e => {
+        const { value, name } = e.target;
+
+        setFormData(p => ({
+            ...p,
+            [name]: value,
+        }));
+    };
+
     const handleBchAmountChange = e => {
         const { value, name } = e.target;
         let bchValue = value;
@@ -557,6 +570,47 @@
                         <ConvertAmount>
                             {fiatPriceString !== '' && '='} {fiatPriceString}
                         </ConvertAmount>
+                        <div
+                            style={{
+                                paddingTop: '32px',
+                            }}
+                        >
+                            <AdvancedCollapse
+                                style={{
+                                    marginBottom: '24px',
+                                }}
+                            >
+                                <Panel header="Advanced" key="1">
+                                    <AntdFormWrapper>
+                                        <Form
+                                            size="small"
+                                            style={{
+                                                width: 'auto',
+                                            }}
+                                        >
+                                            <Form.Item>
+                                                <Input
+                                                    addonBefore="Message"
+                                                    placeholder="Optional OP_RETURN Msg (max 150 chars)"
+                                                    name="opReturnMsg"
+                                                    onChange={e =>
+                                                        handleOpReturnMsgChange(
+                                                            e,
+                                                        )
+                                                    }
+                                                    maxLength="150"
+                                                    onKeyDown={e =>
+                                                        e.keyCode == 13
+                                                            ? e.preventDefault()
+                                                            : ''
+                                                    }
+                                                />
+                                            </Form.Item>
+                                        </Form>
+                                    </AntdFormWrapper>
+                                </Panel>
+                            </AdvancedCollapse>
+                        </div>
                         <div
                             style={{
                                 paddingTop: '12px',
diff --git a/web/cashtab/src/components/Send/__tests__/__snapshots__/Send.test.js.snap b/web/cashtab/src/components/Send/__tests__/__snapshots__/Send.test.js.snap
--- a/web/cashtab/src/components/Send/__tests__/__snapshots__/Send.test.js.snap
+++ b/web/cashtab/src/components/Send/__tests__/__snapshots__/Send.test.js.snap
@@ -30,7 +30,7 @@
         }
       >
         <div
-          className="sc-jTzLTM fKDsMv"
+          className="sc-htoDjs ghcbdA"
         >
           <div
             className="ant-row ant-form-item"
@@ -99,7 +99,7 @@
                         className="ant-input-group-addon"
                       >
                         <span
-                          className="sc-gZMcBi kJTcOr"
+                          className="sc-EHOje jPIGGt"
                           onClick={[Function]}
                         >
                           <span
@@ -140,7 +140,7 @@
           </div>
         </div>
         <div
-          className="sc-jTzLTM fKDsMv"
+          className="sc-htoDjs ghcbdA"
         >
           <div
             className="ant-row ant-form-item"
@@ -285,7 +285,7 @@
                       </span>
                     </div>
                     <span
-                      className="sc-jzJRlG kQuQkS"
+                      className="sc-iwsKbI bMOJU"
                       disabled={false}
                       onClick={[Function]}
                       style={
@@ -320,6 +320,57 @@
            
           $  NaN USD
         </div>
+        <div
+          style={
+            Object {
+              "paddingTop": "32px",
+            }
+          }
+        >
+          <div
+            className="ant-collapse ant-collapse-icon-position-left sc-VigVT idAASz"
+            role={null}
+            style={
+              Object {
+                "marginBottom": "24px",
+              }
+            }
+          >
+            <div
+              className="ant-collapse-item"
+            >
+              <div
+                aria-expanded={false}
+                className="ant-collapse-header"
+                onClick={[Function]}
+                onKeyPress={[Function]}
+                role="button"
+                tabIndex={0}
+              >
+                <span
+                  aria-label="right"
+                  className="anticon anticon-right ant-collapse-arrow"
+                  role="img"
+                >
+                  <svg
+                    aria-hidden="true"
+                    data-icon="right"
+                    fill="currentColor"
+                    focusable="false"
+                    height="1em"
+                    viewBox="64 64 896 896"
+                    width="1em"
+                  >
+                    <path
+                      d="M765.7 486.8L314.9 134.7A7.97 7.97 0 00302 141v77.3c0 4.9 2.3 9.6 6.1 12.6l360 281.1-360 281.1c-3.9 3-6.1 7.7-6.1 12.6V883c0 6.7 7.7 10.4 12.9 6.3l450.8-352.1a31.96 31.96 0 000-50.4z"
+                    />
+                  </svg>
+                </span>
+                Advanced
+              </div>
+            </div>
+          </div>
+        </div>
         <div
           style={
             Object {
@@ -328,7 +379,7 @@
           }
         >
           <button
-            className="sc-dnqmqq fryMgW"
+            className="sc-fjdhpX eXuEIC"
           >
             Send
           </button>
@@ -342,7 +393,7 @@
     Signatures
   </div>,
   <div
-    className="ant-collapse ant-collapse-icon-position-left sc-gzVnrw fYpbQV"
+    className="ant-collapse ant-collapse-icon-position-left sc-VigVT idAASz"
     role={null}
     style={
       Object {
@@ -417,7 +468,7 @@
         }
       >
         <div
-          className="sc-jTzLTM fKDsMv"
+          className="sc-htoDjs ghcbdA"
         >
           <div
             className="ant-row ant-form-item"
@@ -486,7 +537,7 @@
                         className="ant-input-group-addon"
                       >
                         <span
-                          className="sc-gZMcBi kJTcOr"
+                          className="sc-EHOje jPIGGt"
                           onClick={[Function]}
                         >
                           <span
@@ -527,7 +578,7 @@
           </div>
         </div>
         <div
-          className="sc-jTzLTM fKDsMv"
+          className="sc-htoDjs ghcbdA"
         >
           <div
             className="ant-row ant-form-item"
@@ -672,7 +723,7 @@
                       </span>
                     </div>
                     <span
-                      className="sc-jzJRlG kQuQkS"
+                      className="sc-iwsKbI bMOJU"
                       disabled={false}
                       onClick={[Function]}
                       style={
@@ -707,6 +758,57 @@
            
           $  NaN USD
         </div>
+        <div
+          style={
+            Object {
+              "paddingTop": "32px",
+            }
+          }
+        >
+          <div
+            className="ant-collapse ant-collapse-icon-position-left sc-VigVT idAASz"
+            role={null}
+            style={
+              Object {
+                "marginBottom": "24px",
+              }
+            }
+          >
+            <div
+              className="ant-collapse-item"
+            >
+              <div
+                aria-expanded={false}
+                className="ant-collapse-header"
+                onClick={[Function]}
+                onKeyPress={[Function]}
+                role="button"
+                tabIndex={0}
+              >
+                <span
+                  aria-label="right"
+                  className="anticon anticon-right ant-collapse-arrow"
+                  role="img"
+                >
+                  <svg
+                    aria-hidden="true"
+                    data-icon="right"
+                    fill="currentColor"
+                    focusable="false"
+                    height="1em"
+                    viewBox="64 64 896 896"
+                    width="1em"
+                  >
+                    <path
+                      d="M765.7 486.8L314.9 134.7A7.97 7.97 0 00302 141v77.3c0 4.9 2.3 9.6 6.1 12.6l360 281.1-360 281.1c-3.9 3-6.1 7.7-6.1 12.6V883c0 6.7 7.7 10.4 12.9 6.3l450.8-352.1a31.96 31.96 0 000-50.4z"
+                    />
+                  </svg>
+                </span>
+                Advanced
+              </div>
+            </div>
+          </div>
+        </div>
         <div
           style={
             Object {
@@ -715,7 +817,7 @@
           }
         >
           <button
-            className="sc-dnqmqq fryMgW"
+            className="sc-fjdhpX eXuEIC"
           >
             Send
           </button>
@@ -729,7 +831,7 @@
     Signatures
   </div>,
   <div
-    className="ant-collapse ant-collapse-icon-position-left sc-gzVnrw fYpbQV"
+    className="ant-collapse ant-collapse-icon-position-left sc-VigVT idAASz"
     role={null}
     style={
       Object {
@@ -811,7 +913,7 @@
         }
       >
         <div
-          className="sc-jTzLTM fKDsMv"
+          className="sc-htoDjs ghcbdA"
         >
           <div
             className="ant-row ant-form-item"
@@ -880,7 +982,7 @@
                         className="ant-input-group-addon"
                       >
                         <span
-                          className="sc-gZMcBi kJTcOr"
+                          className="sc-EHOje jPIGGt"
                           onClick={[Function]}
                         >
                           <span
@@ -921,7 +1023,7 @@
           </div>
         </div>
         <div
-          className="sc-jTzLTM fKDsMv"
+          className="sc-htoDjs ghcbdA"
         >
           <div
             className="ant-row ant-form-item"
@@ -1066,7 +1168,7 @@
                       </span>
                     </div>
                     <span
-                      className="sc-jzJRlG kQuQkS"
+                      className="sc-iwsKbI bMOJU"
                       disabled={false}
                       onClick={[Function]}
                       style={
@@ -1101,6 +1203,57 @@
            
           $  NaN USD
         </div>
+        <div
+          style={
+            Object {
+              "paddingTop": "32px",
+            }
+          }
+        >
+          <div
+            className="ant-collapse ant-collapse-icon-position-left sc-VigVT idAASz"
+            role={null}
+            style={
+              Object {
+                "marginBottom": "24px",
+              }
+            }
+          >
+            <div
+              className="ant-collapse-item"
+            >
+              <div
+                aria-expanded={false}
+                className="ant-collapse-header"
+                onClick={[Function]}
+                onKeyPress={[Function]}
+                role="button"
+                tabIndex={0}
+              >
+                <span
+                  aria-label="right"
+                  className="anticon anticon-right ant-collapse-arrow"
+                  role="img"
+                >
+                  <svg
+                    aria-hidden="true"
+                    data-icon="right"
+                    fill="currentColor"
+                    focusable="false"
+                    height="1em"
+                    viewBox="64 64 896 896"
+                    width="1em"
+                  >
+                    <path
+                      d="M765.7 486.8L314.9 134.7A7.97 7.97 0 00302 141v77.3c0 4.9 2.3 9.6 6.1 12.6l360 281.1-360 281.1c-3.9 3-6.1 7.7-6.1 12.6V883c0 6.7 7.7 10.4 12.9 6.3l450.8-352.1a31.96 31.96 0 000-50.4z"
+                    />
+                  </svg>
+                </span>
+                Advanced
+              </div>
+            </div>
+          </div>
+        </div>
         <div
           style={
             Object {
@@ -1109,7 +1262,7 @@
           }
         >
           <button
-            className="sc-htoDjs jyAknT"
+            className="sc-jTzLTM iVNQiK"
             onClick={[Function]}
           >
             Send
@@ -1124,7 +1277,7 @@
     Signatures
   </div>,
   <div
-    className="ant-collapse ant-collapse-icon-position-left sc-gzVnrw fYpbQV"
+    className="ant-collapse ant-collapse-icon-position-left sc-VigVT idAASz"
     role={null}
     style={
       Object {
@@ -1199,7 +1352,7 @@
         }
       >
         <div
-          className="sc-jTzLTM fKDsMv"
+          className="sc-htoDjs ghcbdA"
         >
           <div
             className="ant-row ant-form-item"
@@ -1268,7 +1421,7 @@
                         className="ant-input-group-addon"
                       >
                         <span
-                          className="sc-gZMcBi kJTcOr"
+                          className="sc-EHOje jPIGGt"
                           onClick={[Function]}
                         >
                           <span
@@ -1309,7 +1462,7 @@
           </div>
         </div>
         <div
-          className="sc-jTzLTM fKDsMv"
+          className="sc-htoDjs ghcbdA"
         >
           <div
             className="ant-row ant-form-item"
@@ -1454,7 +1607,7 @@
                       </span>
                     </div>
                     <span
-                      className="sc-jzJRlG kQuQkS"
+                      className="sc-iwsKbI bMOJU"
                       disabled={false}
                       onClick={[Function]}
                       style={
@@ -1489,6 +1642,57 @@
            
           $  NaN USD
         </div>
+        <div
+          style={
+            Object {
+              "paddingTop": "32px",
+            }
+          }
+        >
+          <div
+            className="ant-collapse ant-collapse-icon-position-left sc-VigVT idAASz"
+            role={null}
+            style={
+              Object {
+                "marginBottom": "24px",
+              }
+            }
+          >
+            <div
+              className="ant-collapse-item"
+            >
+              <div
+                aria-expanded={false}
+                className="ant-collapse-header"
+                onClick={[Function]}
+                onKeyPress={[Function]}
+                role="button"
+                tabIndex={0}
+              >
+                <span
+                  aria-label="right"
+                  className="anticon anticon-right ant-collapse-arrow"
+                  role="img"
+                >
+                  <svg
+                    aria-hidden="true"
+                    data-icon="right"
+                    fill="currentColor"
+                    focusable="false"
+                    height="1em"
+                    viewBox="64 64 896 896"
+                    width="1em"
+                  >
+                    <path
+                      d="M765.7 486.8L314.9 134.7A7.97 7.97 0 00302 141v77.3c0 4.9 2.3 9.6 6.1 12.6l360 281.1-360 281.1c-3.9 3-6.1 7.7-6.1 12.6V883c0 6.7 7.7 10.4 12.9 6.3l450.8-352.1a31.96 31.96 0 000-50.4z"
+                    />
+                  </svg>
+                </span>
+                Advanced
+              </div>
+            </div>
+          </div>
+        </div>
         <div
           style={
             Object {
@@ -1497,7 +1701,7 @@
           }
         >
           <button
-            className="sc-dnqmqq fryMgW"
+            className="sc-fjdhpX eXuEIC"
           >
             Send
           </button>
@@ -1511,7 +1715,7 @@
     Signatures
   </div>,
   <div
-    className="ant-collapse ant-collapse-icon-position-left sc-gzVnrw fYpbQV"
+    className="ant-collapse ant-collapse-icon-position-left sc-VigVT idAASz"
     role={null}
     style={
       Object {
@@ -1586,7 +1790,7 @@
         }
       >
         <div
-          className="sc-jTzLTM fKDsMv"
+          className="sc-htoDjs ghcbdA"
         >
           <div
             className="ant-row ant-form-item"
@@ -1655,7 +1859,7 @@
                         className="ant-input-group-addon"
                       >
                         <span
-                          className="sc-gZMcBi kJTcOr"
+                          className="sc-EHOje jPIGGt"
                           onClick={[Function]}
                         >
                           <span
@@ -1696,7 +1900,7 @@
           </div>
         </div>
         <div
-          className="sc-jTzLTM fKDsMv"
+          className="sc-htoDjs ghcbdA"
         >
           <div
             className="ant-row ant-form-item"
@@ -1841,7 +2045,7 @@
                       </span>
                     </div>
                     <span
-                      className="sc-jzJRlG kQuQkS"
+                      className="sc-iwsKbI bMOJU"
                       disabled={false}
                       onClick={[Function]}
                       style={
@@ -1876,6 +2080,57 @@
            
           $  NaN USD
         </div>
+        <div
+          style={
+            Object {
+              "paddingTop": "32px",
+            }
+          }
+        >
+          <div
+            className="ant-collapse ant-collapse-icon-position-left sc-VigVT idAASz"
+            role={null}
+            style={
+              Object {
+                "marginBottom": "24px",
+              }
+            }
+          >
+            <div
+              className="ant-collapse-item"
+            >
+              <div
+                aria-expanded={false}
+                className="ant-collapse-header"
+                onClick={[Function]}
+                onKeyPress={[Function]}
+                role="button"
+                tabIndex={0}
+              >
+                <span
+                  aria-label="right"
+                  className="anticon anticon-right ant-collapse-arrow"
+                  role="img"
+                >
+                  <svg
+                    aria-hidden="true"
+                    data-icon="right"
+                    fill="currentColor"
+                    focusable="false"
+                    height="1em"
+                    viewBox="64 64 896 896"
+                    width="1em"
+                  >
+                    <path
+                      d="M765.7 486.8L314.9 134.7A7.97 7.97 0 00302 141v77.3c0 4.9 2.3 9.6 6.1 12.6l360 281.1-360 281.1c-3.9 3-6.1 7.7-6.1 12.6V883c0 6.7 7.7 10.4 12.9 6.3l450.8-352.1a31.96 31.96 0 000-50.4z"
+                    />
+                  </svg>
+                </span>
+                Advanced
+              </div>
+            </div>
+          </div>
+        </div>
         <div
           style={
             Object {
@@ -1884,7 +2139,7 @@
           }
         >
           <button
-            className="sc-dnqmqq fryMgW"
+            className="sc-fjdhpX eXuEIC"
           >
             Send
           </button>
@@ -1898,7 +2153,7 @@
     Signatures
   </div>,
   <div
-    className="ant-collapse ant-collapse-icon-position-left sc-gzVnrw fYpbQV"
+    className="ant-collapse ant-collapse-icon-position-left sc-VigVT idAASz"
     role={null}
     style={
       Object {
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
@@ -902,6 +902,7 @@
         destinationAddress,
         sendAmount,
         feeInSatsPerByte,
+        optionalOpReturnMsg,
     ) => {
         try {
             if (!sendAmount) {
@@ -939,6 +940,23 @@
                 );
                 throw error;
             }
+
+            // Start of building the OP_RETURN output.
+            // only build the OP_RETURN output if the user supplied it
+            if (
+                typeof optionalOpReturnMsg !== 'undefined' &&
+                optionalOpReturnMsg.trim() !== ''
+            ) {
+                const script = [
+                    BCH.Script.opcodes.OP_RETURN,
+                    Buffer.from('6d02', 'hex'),
+                    Buffer.from(optionalOpReturnMsg),
+                ];
+                const data = BCH.Script.encode(script);
+                transactionBuilder.addOutput(data, 0);
+            }
+            // End of building the OP_RETURN output.
+
             let originalAmount = new BigNumber(0);
             let txFee = 0;
             for (let i = 0; i < utxos.length; i++) {