diff --git a/src/components/Ui/UiInput.vue b/src/components/Ui/UiInput.vue
index cdd99e7bd..538f3ffc7 100644
--- a/src/components/Ui/UiInput.vue
+++ b/src/components/Ui/UiInput.vue
@@ -13,8 +13,8 @@ const props = defineProps<{
 
 const emit = defineEmits(['update:modelValue', 'blur']);
 
-function handleInput(e) {
-  const input = e.target.value;
+function handleInput(e: Event) {
+  const input = (e.target as HTMLInputElement).value;
   if (props.number) {
     return emit('update:modelValue', !input ? undefined : parseFloat(input));
   }
diff --git a/src/components/Ui/UiSelect.vue b/src/components/Ui/UiSelect.vue
index 3aa407b44..a8bec39e1 100644
--- a/src/components/Ui/UiSelect.vue
+++ b/src/components/Ui/UiSelect.vue
@@ -21,7 +21,7 @@ function handleChange(event) {
       :disabled="disabled"
       :value="modelValue"
       :class="{ disabled }"
-      class="input h-full w-full flex-auto"
+      class="input h-full w-full flex-auto !bg-skin-bg"
       @change="handleChange($event)"
     >
       <slot />
diff --git a/src/composables/useFormSpaceProposal.ts b/src/composables/useFormSpaceProposal.ts
index 997682561..a4b7732bd 100644
--- a/src/composables/useFormSpaceProposal.ts
+++ b/src/composables/useFormSpaceProposal.ts
@@ -2,6 +2,7 @@ import { useStorage } from '@vueuse/core';
 import { clone } from '@snapshot-labs/snapshot.js/src/utils';
 import schemas from '@snapshot-labs/snapshot.js/src/schemas';
 import { validateForm } from '@/helpers/validation';
+import { OsnapPluginData } from '@/plugins/oSnap/types';
 
 interface ProposalForm {
   name: string;
@@ -15,6 +16,7 @@ interface ProposalForm {
   metadata: {
     plugins: {
       safeSnap?: { valid: boolean };
+      oSnap?: OsnapPluginData;
     };
   };
 }
diff --git a/src/composables/useProfiles.ts b/src/composables/useProfiles.ts
index 0101b71ce..dc698269a 100644
--- a/src/composables/useProfiles.ts
+++ b/src/composables/useProfiles.ts
@@ -56,7 +56,7 @@ export function useProfiles() {
       Object.keys(profilesRes[0] ?? {}).forEach(address => {
         profilesRes[0][address] = {
           ...{ ens: profilesRes[0][address] },
-          ...profilesRes[1]?.find(p => p.id === address)
+          ...profilesRes[1]?.find(p => p.id.toLowerCase() === address)
         };
       });
     }
diff --git a/src/plugins/oSnap/Create.vue b/src/plugins/oSnap/Create.vue
index 491b3eb62..34e813ce7 100644
--- a/src/plugins/oSnap/Create.vue
+++ b/src/plugins/oSnap/Create.vue
@@ -14,10 +14,12 @@ import {
   Transaction
 } from './types';
 import {
+  allTransactionsValid,
   getGnosisSafeBalances,
   getGnosisSafeCollectibles,
   getIsOsnapEnabled,
-  getModuleAddressForTreasury
+  getModuleAddressForTreasury,
+  validateOsnapTransaction
 } from './utils';
 import OsnapMarketingWidget from './components/OsnapMarketingWidget.vue';
 
@@ -46,12 +48,14 @@ const collectables = ref<NFT[]>([]);
 function addTransaction(transaction: Transaction) {
   if (newPluginData.value.safe === null) return;
   newPluginData.value.safe.transactions.push(transaction);
+  newPluginData.value.safe.isValid = allTransactionsValid(
+    newPluginData.value.safe.transactions
+  );
   update(newPluginData.value);
 }
 
 function removeTransaction(transactionIndex: number) {
   if (!newPluginData.value.safe) return;
-
   newPluginData.value.safe.transactions.splice(transactionIndex, 1);
   update(newPluginData.value);
 }
@@ -59,6 +63,9 @@ function removeTransaction(transactionIndex: number) {
 function updateTransaction(transaction: Transaction, transactionIndex: number) {
   if (!newPluginData.value.safe) return;
   newPluginData.value.safe.transactions[transactionIndex] = transaction;
+  newPluginData.value.safe.isValid = allTransactionsValid(
+    newPluginData.value.safe.transactions
+  );
   update(newPluginData.value);
 }
 
@@ -76,7 +83,6 @@ async function fetchBalances(network: Network, safeAddress: string) {
   if (!safeAddress) {
     return [];
   }
-
   try {
     const balances = await getGnosisSafeBalances(network, safeAddress);
 
@@ -233,7 +239,8 @@ onMounted(async () => {
     <div class="rounded-2xl border p-4 text-md">
       <h2 class="mb-2">Warning: Multiple oSnap enabled plugins detected</h2>
       <p class="mb-2">
-      For best experience using oSnap, please remove the SafeSnap plugin from your space.
+        For best experience using oSnap, please remove the SafeSnap plugin from
+        your space.
       </p>
     </div>
   </template>
diff --git a/src/plugins/oSnap/components/Input/Amount.vue b/src/plugins/oSnap/components/Input/Amount.vue
index 0a841a5c1..732544db3 100644
--- a/src/plugins/oSnap/components/Input/Amount.vue
+++ b/src/plugins/oSnap/components/Input/Amount.vue
@@ -1,11 +1,14 @@
 <script setup lang="ts">
 import { formatUnits, parseUnits } from '@ethersproject/units';
+import { amountPositive } from '../../utils';
 
 const props = defineProps<{
   modelValue: string;
   label: string;
   decimals: number | undefined;
+  enforcePositiveValue?: boolean;
 }>();
+
 const emit = defineEmits<{
   'update:modelValue': [value: string];
 }>();
@@ -16,17 +19,19 @@ const dirty = ref(false);
 
 const format = (amount: string) => {
   try {
-    return parseUnits(amount, props.decimals).toString();
-  } catch (error) {
-    return undefined;
+    // empty string throws
+    const parsed = parseUnits(amount, props.decimals).toString();
+    return parsed;
+  } catch {
+    return '0';
   }
 };
 
 const handleInput = () => {
   dirty.value = true;
   const value = format(input.value);
-  isValid.value = !!value;
-  emit('update:modelValue', value ?? '');
+  // empty string value will throw error being converted to BigNumber
+  emit('update:modelValue', value ?? '0');
 };
 
 onMounted(() => {
@@ -34,6 +39,14 @@ onMounted(() => {
     input.value = formatUnits(props.modelValue, props.decimals);
   }
 });
+
+watch(input, () => {
+  const value = format(input.value);
+  isValid.value = !!value;
+  if (props.enforcePositiveValue) {
+    isValid.value = amountPositive(input.value);
+  }
+});
 </script>
 
 <template>
diff --git a/src/plugins/oSnap/components/TransactionBuilder/ContractInteraction.vue b/src/plugins/oSnap/components/TransactionBuilder/ContractInteraction.vue
index a787fdf48..009835f87 100644
--- a/src/plugins/oSnap/components/TransactionBuilder/ContractInteraction.vue
+++ b/src/plugins/oSnap/components/TransactionBuilder/ContractInteraction.vue
@@ -7,8 +7,7 @@ import { ContractInteractionTransaction, Network } from '../../types';
 import {
   createContractInteractionTransaction,
   getABIWriteFunctions,
-  getContractABI,
-  validateTransaction
+  getContractABI
 } from '../../utils';
 import AddressInput from '../Input/Address.vue';
 import MethodParameterInput from '../Input/MethodParameter.vue';
@@ -16,6 +15,7 @@ import MethodParameterInput from '../Input/MethodParameter.vue';
 const props = defineProps<{
   network: Network;
   transaction: ContractInteractionTransaction;
+  setTransactionAsInvalid: () => void;
 }>();
 
 const emit = defineEmits<{
@@ -24,7 +24,7 @@ const emit = defineEmits<{
 
 const to = ref(props.transaction.to ?? '');
 const isToValid = computed(() => {
-  return to.value === '' || isAddress(to.value);
+  return to.value !== '' && isAddress(to.value);
 });
 const abi = ref(props.transaction.abi ?? '');
 const isAbiValid = ref(true);
@@ -40,8 +40,17 @@ const selectedMethod = computed(
 const parameters = ref<string[]>([]);
 
 function updateTransaction() {
-  if (!isValueValid || !isToValid || !isAbiValid) return;
   try {
+    if (!isToValid) {
+      throw new Error('"TO" address invalid');
+    }
+    if (!isAbiValid) {
+      throw new Error('ABI invalid');
+    }
+    if (!isValueValid) {
+      throw new Error('Value invalid');
+    }
+    // throws is method params are invalid
     const transaction = createContractInteractionTransaction({
       to: to.value,
       value: value.value,
@@ -49,13 +58,9 @@ function updateTransaction() {
       method: selectedMethod.value,
       parameters: parameters.value
     });
-
-    if (validateTransaction(transaction)) {
-      emit('updateTransaction', transaction);
-      return;
-    }
-  } catch (error) {
-    console.warn('ContractInteraction - Invalid Transaction:',error);
+    emit('updateTransaction', transaction);
+  } catch {
+    props.setTransactionAsInvalid();
   }
 }
 
@@ -73,7 +78,7 @@ function updateMethod(methodName: string) {
 function updateAbi(newAbi: string) {
   abi.value = newAbi;
   methods.value = [];
-
+  updateTransaction();
   try {
     methods.value = getABIWriteFunctions(abi.value);
     isAbiValid.value = true;
@@ -82,26 +87,25 @@ function updateAbi(newAbi: string) {
     isAbiValid.value = false;
     console.warn('error extracting useful methods', error);
   }
-  updateTransaction();
 }
 
 async function updateAddress() {
+  updateTransaction();
   const result = await getContractABI(props.network, to.value);
   if (result && result !== abi.value) {
     updateAbi(result);
   }
-  updateTransaction();
 }
 
 function updateValue(newValue: string) {
   value.value = newValue;
+  updateTransaction();
   try {
     parseAmount(newValue);
     isValueValid.value = true;
   } catch (error) {
     isValueValid.value = false;
   }
-  updateTransaction();
 }
 </script>
 
@@ -137,8 +141,11 @@ function updateValue(newValue: string) {
         </option>
       </UiSelect>
 
-      <div v-if="selectedMethod && selectedMethod.inputs.length">
-        <div class="divider"></div>
+      <div
+        v-if="selectedMethod && selectedMethod.inputs.length"
+        class="flex flex-col gap-2"
+      >
+        <div class="divider h-[1px] bg-skin-border my-3" />
 
         <MethodParameterInput
           v-for="(input, index) in selectedMethod.inputs"
diff --git a/src/plugins/oSnap/components/TransactionBuilder/Transaction.vue b/src/plugins/oSnap/components/TransactionBuilder/Transaction.vue
index 08dcfe2b2..e5251c025 100644
--- a/src/plugins/oSnap/components/TransactionBuilder/Transaction.vue
+++ b/src/plugins/oSnap/components/TransactionBuilder/Transaction.vue
@@ -35,7 +35,13 @@ const emit = defineEmits<{
 const newTransaction = ref<TTransaction>(cloneDeep(props.transaction));
 
 function updateTransactionType(transactionType: TTransactionType) {
-  newTransaction.value.type = transactionType;
+  newTransaction.value = {
+    type: transactionType,
+    to: '',
+    value: '0',
+    data: '0x',
+    formatted: ['', 0, '0', '0x']
+  };
   emit('updateTransaction', newTransaction.value, props.transactionIndex);
 }
 
@@ -43,6 +49,14 @@ function updateTransaction(transaction: TTransaction) {
   newTransaction.value = transaction;
   emit('updateTransaction', newTransaction.value, props.transactionIndex);
 }
+
+function setTransactionAsInvalid() {
+  const tx: TTransaction = {
+    ...newTransaction.value,
+    isValid: false
+  };
+  emit('updateTransaction', tx, props.transactionIndex);
+}
 </script>
 
 <template>
@@ -66,6 +80,7 @@ function updateTransaction(transaction: TTransaction) {
       v-if="transaction.type === 'contractInteraction'"
       :transaction="newTransaction as ContractInteractionTransaction"
       :network="network"
+      :setTransactionAsInvalid="setTransactionAsInvalid"
       @update-transaction="updateTransaction"
     />
 
@@ -74,6 +89,7 @@ function updateTransaction(transaction: TTransaction) {
       :network="network"
       :tokens="tokens"
       :transaction="newTransaction as TransferFundsTransaction"
+      :setTransactionAsInvalid="setTransactionAsInvalid"
       @update-transaction="updateTransaction"
     />
 
@@ -83,12 +99,14 @@ function updateTransaction(transaction: TTransaction) {
       :safe-address="safeAddress"
       :collectables="collectables"
       :transaction="newTransaction as TransferNftTransaction"
+      :setTransactionAsInvalid="setTransactionAsInvalid"
       @update-transaction="updateTransaction"
     />
 
     <RawTransaction
       v-if="transaction.type === 'raw'"
       :transaction="newTransaction as TRawTransaction"
+      :setTransactionAsInvalid="setTransactionAsInvalid"
       @update-transaction="updateTransaction"
     />
   </div>
diff --git a/src/plugins/oSnap/components/TransactionBuilder/TransferFunds.vue b/src/plugins/oSnap/components/TransactionBuilder/TransferFunds.vue
index f9c85d2f1..e676d1ec6 100644
--- a/src/plugins/oSnap/components/TransactionBuilder/TransferFunds.vue
+++ b/src/plugins/oSnap/components/TransactionBuilder/TransferFunds.vue
@@ -1,14 +1,13 @@
 <script setup lang="ts">
 import { ETH_CONTRACT } from '@/helpers/constants';
 import { shorten } from '@/helpers/utils';
-import { isAddress } from '@ethersproject/address';
-import { isBigNumberish } from '@ethersproject/bignumber/lib/bignumber';
 import { Network, Token, TransferFundsTransaction } from '../../types';
 import {
   createTransferFundsTransaction,
   getERC20TokenTransferTransactionData,
   getNativeAsset,
-  validateTransaction
+  isTransferFundsValid,
+  amountPositive
 } from '../../utils';
 import AddressInput from '../Input/Address.vue';
 import AmountInput from '../Input/Amount.vue';
@@ -18,6 +17,7 @@ const props = defineProps<{
   network: Network;
   tokens: Token[];
   transaction: TransferFundsTransaction;
+  setTransactionAsInvalid: () => void;
 }>();
 
 const emit = defineEmits<{
@@ -28,40 +28,43 @@ const nativeAsset = getNativeAsset(props.network);
 const amount = ref(props.transaction.amount ?? '');
 const recipient = ref(props.transaction.recipient ?? '');
 const tokens = ref<Token[]>([nativeAsset, ...props.tokens]);
+
 const selectedTokenAddress = ref<Token['address']>(
   props.transaction?.token?.address ?? 'main'
 );
+
 const selectedToken = computed(
   () =>
     tokens.value.find(token => token.address === selectedTokenAddress.value) ??
     nativeAsset
 );
-const selectedTokenIsNative = computed(
-  () => selectedToken.value?.address === 'main'
-);
+
 const isTokenModalOpen = ref(false);
 
 function updateTransaction() {
-  if (!isBigNumberish(amount.value) || !isAddress(recipient.value)) return;
-
   try {
-    const data = selectedTokenIsNative.value
-      ? '0x'
-      : getERC20TokenTransferTransactionData(recipient.value, amount.value);
-
+    if (
+      !isTransferFundsValid({
+        amount: amount.value,
+        recipient: recipient.value,
+        token: selectedToken.value
+      })
+    ) {
+      throw new Error('Validation error');
+    }
+    const data =
+      selectedToken.value.address === 'main'
+        ? '0x'
+        : getERC20TokenTransferTransactionData(recipient.value, amount.value);
     const transaction = createTransferFundsTransaction({
       data,
       amount: amount.value,
       recipient: recipient.value,
       token: selectedToken.value
     });
-    const isTransactionValid = validateTransaction(transaction);
-    if (isTransactionValid) {
-      emit('updateTransaction', transaction);
-      return;
-    }
-  } catch (error) {
-    console.warn('invalid transaction', error);
+    emit('updateTransaction', transaction);
+  } catch {
+    props.setTransactionAsInvalid();
   }
 }
 
@@ -104,6 +107,7 @@ watch(selectedTokenAddress, updateTransaction);
   <div class="space-y-2">
     <AddressInput v-model="recipient" :label="$t('safeSnap.to')" />
     <AmountInput
+      :enforcePositiveValue="true"
       :key="selectedToken?.decimals"
       v-model="amount"
       :label="$t('safeSnap.amount')"
diff --git a/src/plugins/oSnap/components/TransactionBuilder/TransferNFT.vue b/src/plugins/oSnap/components/TransactionBuilder/TransferNFT.vue
index f54b022c9..8a2b285a0 100644
--- a/src/plugins/oSnap/components/TransactionBuilder/TransferNFT.vue
+++ b/src/plugins/oSnap/components/TransactionBuilder/TransferNFT.vue
@@ -1,11 +1,10 @@
 <script setup lang="ts">
 import { shorten } from '@/helpers/utils';
-import { isAddress } from '@ethersproject/address';
 import { NFT, Network, TransferNftTransaction } from '../../types';
 import {
   createTransferNftTransaction,
   getERC721TokenTransferTransactionData,
-  validateTransaction
+  isTransferNftValid
 } from '../../utils';
 import AddressInput from '../Input/Address.vue';
 
@@ -14,6 +13,7 @@ const props = defineProps<{
   collectables: NFT[];
   transaction: TransferNftTransaction;
   safeAddress: string;
+  setTransactionAsInvalid: () => void;
 }>();
 
 const emit = defineEmits<{
@@ -32,9 +32,19 @@ const selectedCollectable = computed(() => {
 });
 
 function updateTransaction() {
-  if (!isAddress(recipient.value) || !selectedCollectable.value) return;
-
   try {
+    if (!selectedCollectable.value) {
+      throw new Error('No token selected');
+    }
+    if (
+      !isTransferNftValid({
+        recipient: recipient.value,
+        collectable: selectedCollectable.value
+      })
+    ) {
+      throw new Error('Validation error');
+    }
+
     const data = getERC721TokenTransferTransactionData(
       props.safeAddress,
       recipient.value,
@@ -46,13 +56,9 @@ function updateTransaction() {
       recipient: recipient.value,
       collectable: selectedCollectable.value
     });
-
-    if (validateTransaction(transaction)) {
-      emit('updateTransaction', transaction);
-      return;
-    }
-  } catch (error) {
-    console.warn('invalid transaction');
+    emit('updateTransaction', transaction);
+  } catch {
+    props.setTransactionAsInvalid();
   }
 }
 
diff --git a/src/plugins/oSnap/types.ts b/src/plugins/oSnap/types.ts
index 76b541dca..ddf18d2d0 100644
--- a/src/plugins/oSnap/types.ts
+++ b/src/plugins/oSnap/types.ts
@@ -91,6 +91,7 @@ export type BaseTransaction = {
   value: string;
   data: string;
   formatted: OptimisticGovernorTransaction;
+  isValid?: boolean;
 };
 
 /**
@@ -220,6 +221,7 @@ export type BalanceResponse = {
  * @field `network` field is the id for network that the safe is on.
  * @field `moduleAddress` field is the address of the Optimistic Governor contract that was deployed for this safe.
  * @field `transactions` field is the list of transactions that the Optimistic Governor contract will execute.
+ * @field `isValid?` field check if ALL transactions have passed their respective validation checks
  */
 export type GnosisSafe = {
   safeName: string;
@@ -227,6 +229,7 @@ export type GnosisSafe = {
   network: Network;
   moduleAddress: string;
   transactions: Transaction[];
+  isValid?: boolean;
 };
 
 /**
diff --git a/src/plugins/oSnap/utils/abi.ts b/src/plugins/oSnap/utils/abi.ts
index 57451a27c..ca1641a89 100644
--- a/src/plugins/oSnap/utils/abi.ts
+++ b/src/plugins/oSnap/utils/abi.ts
@@ -104,7 +104,7 @@ export function getABIWriteFunctions(abi: string) {
  *
  * If the parameter is an array or tuple, we parse the value as JSON.
  */
-function extractMethodArgs(values: string[]) {
+export function extractMethodArgs(values: string[]) {
   return (param: ParamType, index: number) => {
     const value = values[index];
     if (isArrayParameter(param.baseType)) {
diff --git a/src/plugins/oSnap/utils/coins.ts b/src/plugins/oSnap/utils/coins.ts
index 19d6c583a..d0066e4cf 100644
--- a/src/plugins/oSnap/utils/coins.ts
+++ b/src/plugins/oSnap/utils/coins.ts
@@ -1,4 +1,4 @@
-import { Network } from '../types';
+import { Network, Token } from '../types';
 
 export const ETHEREUM_COIN = {
   name: 'Ether',
@@ -59,3 +59,7 @@ export function getNativeAsset(network: Network) {
 
   return ETHEREUM_COIN;
 }
+
+export function isNativeAsset(token: Token | undefined) {
+  return token ? token.address === 'main' : false;
+}
diff --git a/src/plugins/oSnap/utils/transactions.ts b/src/plugins/oSnap/utils/transactions.ts
index 00eaec9ee..45713d572 100644
--- a/src/plugins/oSnap/utils/transactions.ts
+++ b/src/plugins/oSnap/utils/transactions.ts
@@ -45,7 +45,8 @@ export function createRawTransaction(params: {
   return {
     ...params,
     type,
-    formatted
+    formatted,
+    isValid: true
   };
 }
 
@@ -75,7 +76,8 @@ export function createTransferNftTransaction(params: {
     to,
     value,
     data,
-    formatted
+    formatted,
+    isValid: true
   };
 }
 
@@ -90,6 +92,9 @@ export function createTransferFundsTransaction(params: {
   token: Token;
   data: string;
 }): TransferFundsTransaction {
+  if (!(parseFloat(params.amount) > 0)) {
+    throw new Error('Amount invalid');
+  }
   const type = 'transferFunds';
   const isNativeToken = params.token.address === 'main';
   const data = isNativeToken ? '0x' : params.data;
@@ -108,7 +113,8 @@ export function createTransferFundsTransaction(params: {
     to,
     value,
     amount,
-    formatted
+    formatted,
+    isValid: true
   };
 }
 
@@ -126,22 +132,27 @@ export function createContractInteractionTransaction(params: {
   method: FunctionFragment;
   parameters: string[];
 }): ContractInteractionTransaction {
-  const type = 'contractInteraction';
-  const data = encodeMethodAndParams(
-    params.abi,
-    params.method,
-    params.parameters
-  );
-  const formatted = createFormattedOptimisticGovernorTransaction({
-    ...params,
-    data
-  });
-  return {
-    ...params,
-    data,
-    type,
-    formatted
-  };
+  try {
+    const type = 'contractInteraction';
+    const data = encodeMethodAndParams(
+      params.abi,
+      params.method,
+      params.parameters
+    );
+    const formatted = createFormattedOptimisticGovernorTransaction({
+      ...params,
+      data
+    });
+    return {
+      ...params,
+      data,
+      type,
+      formatted,
+      isValid: true
+    };
+  } catch {
+    throw new Error('Invalid function parameters');
+  }
 }
 
 export function parseAmount(input: string) {
diff --git a/src/plugins/oSnap/utils/validators.ts b/src/plugins/oSnap/utils/validators.ts
index 7b3327b37..df15d472c 100644
--- a/src/plugins/oSnap/utils/validators.ts
+++ b/src/plugins/oSnap/utils/validators.ts
@@ -9,7 +9,17 @@ import { isBigNumberish } from '@ethersproject/bignumber/lib/bignumber';
 import { isHexString } from '@ethersproject/bytes';
 import getProvider from '@snapshot-labs/snapshot.js/src/utils/provider';
 import { OPTIMISTIC_GOVERNOR_ABI } from '../constants';
-import { BaseTransaction } from '../types';
+import {
+  BaseTransaction,
+  ContractInteractionTransaction,
+  NFT,
+  Token,
+  Transaction,
+  TransferFundsTransaction,
+  TransferNftTransaction
+} from '../types';
+import { extractMethodArgs, getABIWriteFunctions } from './abi';
+import { isNativeAsset } from './coins';
 
 /**
  * Validates that the given `address` is a valid Ethereum address
@@ -41,8 +51,10 @@ export const mustBeEthereumContractAddress = memoize(
 export function validateTransaction(transaction: BaseTransaction) {
   const addressNotEmptyOrInvalid =
     transaction.to !== '' && isAddress(transaction.to);
+  const valueIsPositive =
+    isBigNumberish(transaction.value) && parseInt(transaction.value) > 0;
   return (
-    isBigNumberish(transaction.value) &&
+    valueIsPositive &&
     addressNotEmptyOrInvalid &&
     (!transaction.data || isHexString(transaction.data))
   );
@@ -68,3 +80,48 @@ export async function validateModuleAddress(
     .then(() => true)
     .catch(() => false);
 }
+
+export function isTransferFundsValid(params: {
+  token: Token;
+  recipient: string;
+  amount: string;
+}): boolean {
+  if (!amountPositive(params.amount)) {
+    return false;
+  }
+  if (!params.recipient || !isAddress(params.recipient)) {
+    return false;
+  }
+  if (!(params.token.address === 'main') && !isAddress(params.token.address)) {
+    return false;
+  }
+
+  return true;
+}
+
+export function isTransferNftValid(params: {
+  collectable: NFT | undefined;
+  recipient: string;
+}): boolean {
+  // check NFT transfer variables are correct
+  if (!params.collectable) {
+    return false;
+  }
+  if (
+    !isAddress(params.recipient) ||
+    !isAddress(params.collectable.address) ||
+    !params.collectable.id
+  ) {
+    return false;
+  }
+
+  return true;
+}
+
+export function amountPositive(amount: string) {
+  return isBigNumberish(amount) && parseFloat(amount) > 0;
+}
+
+export function allTransactionsValid(transactions: Transaction[]): boolean {
+  return transactions.every(tx => tx.isValid === true);
+}
diff --git a/src/views/ProfileView.vue b/src/views/ProfileView.vue
index c8481045e..ec4b3ce63 100644
--- a/src/views/ProfileView.vue
+++ b/src/views/ProfileView.vue
@@ -3,7 +3,9 @@ const route = useRoute();
 
 const modalProfileFormOpen = ref(false);
 
-const userAddress = computed(() => route.params.address as string);
+const userAddress = computed(
+  () => route.params.address.toLowerCase() as string
+);
 
 const { profiles, loadProfiles } = useProfiles();
 
diff --git a/src/views/SpaceCreate.vue b/src/views/SpaceCreate.vue
index 6e0033519..501706cc9 100644
--- a/src/views/SpaceCreate.vue
+++ b/src/views/SpaceCreate.vue
@@ -18,6 +18,7 @@ enum Step {
 const props = defineProps<{
   space: ExtendedSpace;
 }>();
+
 const spaceType = computed(() => (props.space.turbo ? 'turbo' : 'default'));
 const bodyCharactersLimit = computed(
   () =>
@@ -53,6 +54,7 @@ const { isGnosisAndNotSpaceNetwork } = useGnosis(props.space);
 const { isSnapshotLoading } = useSnapshot();
 const { apolloQuery, queryLoading } = useApolloQuery();
 const { containsShortUrl } = useShortUrls();
+
 const { isValid: isValidSpaceSettings, populateForm } = useFormSpaceSettings(
   'settings',
   {
@@ -91,6 +93,7 @@ type DateRange = {
   dateStart: number;
   dateEnd?: number;
 };
+
 function sanitizeDateRange({ dateStart, dateEnd }: DateRange): DateRange {
   const { delay = 0, period = 0 } = props.space?.voting ?? {};
   const threeDays = 259200;
@@ -137,7 +140,12 @@ const isFormValid = computed(() => {
     ? form.value.metadata.plugins.safeSnap.valid
     : true;
 
+  const isOsnapPluginValid =
+    form.value.metadata.plugins?.oSnap?.safe?.isValid ?? true;
+
   return (
+    !web3.value.authLoading &&
+    isOsnapPluginValid &&
     !isSending.value &&
     form.value.body.length <= bodyCharactersLimit.value &&
     dateEnd.value &&
@@ -146,8 +154,7 @@ const isFormValid = computed(() => {
     form.value.choices.length >= 1 &&
     !form.value.choices.some((a, i) => a.text === '' && i === 0) &&
     isValidAuthor.value &&
-    isSafeSnapPluginValid &&
-    !web3.value.authLoading
+    isSafeSnapPluginValid
   );
 });
 
@@ -379,6 +386,7 @@ function toggleShouldUseOsnap() {
 const legacyOsnap = ref<{
   enabled: boolean;
   selection: boolean;
+  valid: boolean;
 }>({
   selection: false,
   enabled: false,