diff --git a/package.json b/package.json
index 00f12cd..e97fe03 100644
--- a/package.json
+++ b/package.json
@@ -58,5 +58,11 @@
     ">0.2%",
     "not dead",
     "not op_mini all"
-  ]
+  ],
+  "resolutions": {
+    "react-error-overlay": "6.0.9"
+  },
+  "devDependencies": {
+    "react-error-overlay": "6.0.9"
+  }
 }
diff --git a/src/components/Body/AddressInput.tsx b/src/components/Body/AddressInput.tsx
deleted file mode 100644
index 2e34ec6..0000000
--- a/src/components/Body/AddressInput.tsx
+++ /dev/null
@@ -1,83 +0,0 @@
-import {
-  FormControl,
-  FormLabel,
-  InputGroup,
-  Input,
-  InputRightElement,
-  Button,
-} from "@chakra-ui/react";
-import { DeleteIcon } from "@chakra-ui/icons";
-
-interface AddressInputParams {
-  showAddress: string;
-  setShowAddress: (value: string) => void;
-  setAddress: (value: string) => void;
-  setIsAddressValid: (value: boolean) => void;
-  bg: string;
-  isAddressValid: boolean;
-  selectedTabIndex: number;
-  isConnected: boolean;
-  appUrl: string | undefined;
-  isIFrameLoading: boolean;
-  updateAddress: () => void;
-}
-
-function AddressInput({
-  showAddress,
-  setShowAddress,
-  setAddress,
-  setIsAddressValid,
-  bg,
-  isAddressValid,
-  selectedTabIndex,
-  isConnected,
-  appUrl,
-  isIFrameLoading,
-  updateAddress,
-}: AddressInputParams) {
-  return (
-    <FormControl>
-      <FormLabel>Enter Address or ENS to Impersonate</FormLabel>
-      <InputGroup>
-        <Input
-          placeholder="vitalik.eth"
-          autoComplete="off"
-          value={showAddress}
-          onChange={(e) => {
-            const _showAddress = e.target.value;
-            setShowAddress(_showAddress);
-            setAddress(_showAddress);
-            setIsAddressValid(true); // remove inValid warning when user types again
-          }}
-          bg={bg}
-          isInvalid={!isAddressValid}
-        />
-        {(selectedTabIndex === 0 && isConnected) ||
-        (selectedTabIndex === 1 && appUrl && !isIFrameLoading) ? (
-          <InputRightElement width="4.5rem" mr="1rem">
-            <Button h="1.75rem" size="sm" onClick={updateAddress}>
-              Update
-            </Button>
-          </InputRightElement>
-        ) : (
-          showAddress && (
-            <InputRightElement px="1rem" mr="0.5rem">
-              <Button
-                h="1.75rem"
-                size="sm"
-                onClick={() => {
-                  setShowAddress("");
-                  setAddress("");
-                }}
-              >
-                <DeleteIcon />
-              </Button>
-            </InputRightElement>
-          )
-        )}
-      </InputGroup>
-    </FormControl>
-  );
-}
-
-export default AddressInput;
diff --git a/src/components/Body/AddressInput/AddressBook/index.tsx b/src/components/Body/AddressInput/AddressBook/index.tsx
new file mode 100644
index 0000000..2a4e587
--- /dev/null
+++ b/src/components/Body/AddressInput/AddressBook/index.tsx
@@ -0,0 +1,160 @@
+import { useState, useEffect } from "react";
+import {
+  Modal,
+  ModalOverlay,
+  ModalContent,
+  ModalHeader,
+  HStack,
+  ModalCloseButton,
+  ModalBody,
+  Text,
+  Input,
+  Center,
+  Button,
+  Box,
+} from "@chakra-ui/react";
+import { DeleteIcon } from "@chakra-ui/icons";
+import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
+import { faSave } from "@fortawesome/free-solid-svg-icons";
+import { slicedText } from "../../TransactionRequests";
+
+const STORAGE_KEY = "address-book";
+
+interface SavedAddressInfo {
+  address: string;
+  label: string;
+}
+
+interface AddressBookParams {
+  isAddressBookOpen: boolean;
+  closeAddressBook: () => void;
+  showAddress: string;
+  setShowAddress: (value: string) => void;
+  setAddress: (value: string) => void;
+}
+
+function AddressBook({
+  isAddressBookOpen,
+  closeAddressBook,
+  showAddress,
+  setShowAddress,
+  setAddress,
+}: AddressBookParams) {
+  const [newAddressInput, setNewAddressInput] = useState<string>("");
+  const [newLableInput, setNewLabelInput] = useState<string>("");
+  const [savedAddresses, setSavedAddresses] = useState<SavedAddressInfo[]>([]);
+
+  useEffect(() => {
+    setSavedAddresses(JSON.parse(localStorage.getItem(STORAGE_KEY) ?? "[]"));
+  }, []);
+
+  useEffect(() => {
+    setNewAddressInput(showAddress);
+  }, [showAddress]);
+
+  useEffect(() => {
+    localStorage.setItem(STORAGE_KEY, JSON.stringify(savedAddresses));
+  }, [savedAddresses]);
+
+  // reset label when modal is reopened
+  useEffect(() => {
+    setNewLabelInput("");
+  }, [isAddressBookOpen]);
+
+  return (
+    <Modal isOpen={isAddressBookOpen} onClose={closeAddressBook} isCentered>
+      <ModalOverlay bg="none" backdropFilter="auto" backdropBlur="5px" />
+      <ModalContent
+        minW={{
+          base: 0,
+          sm: "30rem",
+          md: "40rem",
+          lg: "60rem",
+        }}
+        pb="6"
+      >
+        <ModalHeader>Address Book</ModalHeader>
+        <ModalCloseButton />
+        <ModalBody>
+          <HStack>
+            <Input
+              placeholder="address / ens"
+              value={newAddressInput}
+              onChange={(e) => setNewAddressInput(e.target.value)}
+            />
+            <Input
+              placeholder="label"
+              value={newLableInput}
+              onChange={(e) => setNewLabelInput(e.target.value)}
+            />
+          </HStack>
+          <Center mt="3">
+            <Button
+              colorScheme={"blue"}
+              isDisabled={
+                newAddressInput.length === 0 || newLableInput.length === 0
+              }
+              onClick={() =>
+                setSavedAddresses([
+                  ...savedAddresses,
+                  {
+                    address: newAddressInput,
+                    label: newLableInput,
+                  },
+                ])
+              }
+            >
+              <HStack>
+                <FontAwesomeIcon icon={faSave} />
+                <Text>Save</Text>
+              </HStack>
+            </Button>
+          </Center>
+          {savedAddresses.length > 0 && (
+            <Box mt="6" px="20">
+              <Text fontWeight={"bold"}>Select from saved addresses:</Text>
+              <Box mt="3" px="10">
+                {savedAddresses.map(({ address, label }, i) => (
+                  <HStack key={i} mt="2">
+                    <Button
+                      key={i}
+                      w="100%"
+                      onClick={() => {
+                        setShowAddress(address);
+                        setAddress(address);
+                        closeAddressBook();
+                      }}
+                    >
+                      {label} (
+                      {address.indexOf(".eth") >= 0
+                        ? address
+                        : slicedText(address)}
+                      )
+                    </Button>
+                    <Button
+                      ml="2"
+                      _hover={{
+                        bg: "red.500",
+                      }}
+                      onClick={() => {
+                        const _savedAddresses = savedAddresses;
+                        _savedAddresses.splice(i, 1);
+
+                        // using spread operator, else useEffect doesn't detect state change
+                        setSavedAddresses([..._savedAddresses]);
+                      }}
+                    >
+                      <DeleteIcon />
+                    </Button>
+                  </HStack>
+                ))}
+              </Box>
+            </Box>
+          )}
+        </ModalBody>
+      </ModalContent>
+    </Modal>
+  );
+}
+
+export default AddressBook;
diff --git a/src/components/Body/AddressInput/index.tsx b/src/components/Body/AddressInput/index.tsx
new file mode 100644
index 0000000..3142624
--- /dev/null
+++ b/src/components/Body/AddressInput/index.tsx
@@ -0,0 +1,106 @@
+import {
+  FormControl,
+  FormLabel,
+  InputGroup,
+  Input,
+  InputRightElement,
+  Button,
+  HStack,
+  useDisclosure,
+} from "@chakra-ui/react";
+import { DeleteIcon } from "@chakra-ui/icons";
+import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
+import { faBook } from "@fortawesome/free-solid-svg-icons";
+import AddressBook from "./AddressBook";
+
+interface AddressInputParams {
+  showAddress: string;
+  setShowAddress: (value: string) => void;
+  setAddress: (value: string) => void;
+  setIsAddressValid: (value: boolean) => void;
+  bg: string;
+  isAddressValid: boolean;
+  selectedTabIndex: number;
+  isConnected: boolean;
+  appUrl: string | undefined;
+  isIFrameLoading: boolean;
+  updateAddress: () => void;
+}
+
+function AddressInput({
+  showAddress,
+  setShowAddress,
+  setAddress,
+  setIsAddressValid,
+  bg,
+  isAddressValid,
+  selectedTabIndex,
+  isConnected,
+  appUrl,
+  isIFrameLoading,
+  updateAddress,
+}: AddressInputParams) {
+  const {
+    isOpen: isAddressBookOpen,
+    onOpen: openAddressBook,
+    onClose: closeAddressBook,
+  } = useDisclosure();
+
+  return (
+    <FormControl>
+      <FormLabel>Enter Address or ENS to Impersonate</FormLabel>
+      <HStack>
+        <InputGroup>
+          <Input
+            placeholder="vitalik.eth"
+            autoComplete="off"
+            value={showAddress}
+            onChange={(e) => {
+              const _showAddress = e.target.value;
+              setShowAddress(_showAddress);
+              setAddress(_showAddress);
+              setIsAddressValid(true); // remove inValid warning when user types again
+            }}
+            bg={bg}
+            isInvalid={!isAddressValid}
+          />
+          {(selectedTabIndex === 0 && isConnected) ||
+          (selectedTabIndex === 1 && appUrl && !isIFrameLoading) ? (
+            <InputRightElement width="4.5rem" mr="1rem">
+              <Button h="1.75rem" size="sm" onClick={updateAddress}>
+                Update
+              </Button>
+            </InputRightElement>
+          ) : (
+            showAddress && (
+              <InputRightElement px="1rem" mr="0.5rem">
+                <Button
+                  h="1.75rem"
+                  size="sm"
+                  onClick={() => {
+                    setShowAddress("");
+                    setAddress("");
+                  }}
+                >
+                  <DeleteIcon />
+                </Button>
+              </InputRightElement>
+            )
+          )}
+        </InputGroup>
+        <Button onClick={openAddressBook}>
+          <FontAwesomeIcon icon={faBook} />
+        </Button>
+        <AddressBook
+          isAddressBookOpen={isAddressBookOpen}
+          closeAddressBook={closeAddressBook}
+          showAddress={showAddress}
+          setShowAddress={setShowAddress}
+          setAddress={setAddress}
+        />
+      </HStack>
+    </FormControl>
+  );
+}
+
+export default AddressInput;
diff --git a/src/components/Body/TransactionRequests.tsx b/src/components/Body/TransactionRequests.tsx
index a58225f..65131e5 100644
--- a/src/components/Body/TransactionRequests.tsx
+++ b/src/components/Body/TransactionRequests.tsx
@@ -26,7 +26,7 @@ import {
 import CopyToClipboard from "./CopyToClipboard";
 import { TxnDataType } from "../../types";
 
-const slicedText = (txt: string) => {
+export const slicedText = (txt: string) => {
   return txt.length > 6
     ? `${txt.slice(0, 4)}...${txt.slice(txt.length - 2, txt.length)}`
     : txt;
diff --git a/yarn.lock b/yarn.lock
index bf08ef0..a8b75a1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -11492,10 +11492,10 @@ react-dom@^17.0.2:
     object-assign "^4.1.1"
     scheduler "^0.20.2"
 
-react-error-overlay@^6.0.9:
-  version "6.0.11"
-  resolved "https://registry.yarnpkg.com/react-error-overlay/-/react-error-overlay-6.0.11.tgz#92835de5841c5cf08ba00ddd2d677b6d17ff9adb"
-  integrity sha512-/6UZ2qgEyH2aqzYZgQPxEnz33NJ2gNsnHA2o5+o4wW9bLM/JYQitNP9xPhsXwC08hMMovfGe/8retsdDsczPRg==
+react-error-overlay@6.0.9, react-error-overlay@^6.0.9:
+  version "6.0.9"
+  resolved "https://registry.yarnpkg.com/react-error-overlay/-/react-error-overlay-6.0.9.tgz#3c743010c9359608c375ecd6bc76f35d93995b0a"
+  integrity sha512-nQTTcUu+ATDbrSD1BZHr5kgSD4oF8OFjxun8uAaL8RwPBacGBNPf/yAuVVdx17N8XNzRDMrZ9XcKZHCjPW+9ew==
 
 react-fast-compare@3.2.0:
   version "3.2.0"