diff --git a/apps/console/package.json b/apps/console/package.json
index 17a8ffdea..8939e2ed6 100644
--- a/apps/console/package.json
+++ b/apps/console/package.json
@@ -95,7 +95,7 @@
     "database": "*",
     "filepond": "^4.30.4",
     "filepond-plugin-file-validate-type": "^1.2.8",
-    "neverthrow": "^6.2.1",
+    "neverthrow": "^8.0.0",
     "ramda": "^0.28.0",
     "sanitize-html": "^2.11.0",
     "svelte-filepond": "^0.2.0",
diff --git a/apps/dashboard/package.json b/apps/dashboard/package.json
index 5aac5edc9..fa51a276a 100644
--- a/apps/dashboard/package.json
+++ b/apps/dashboard/package.json
@@ -100,7 +100,7 @@
     "filepond": "^4.30.4",
     "filepond-plugin-file-validate-type": "^1.2.8",
     "jsonwebtoken": "^9.0.2",
-    "neverthrow": "^6.2.1",
+    "neverthrow": "^8.0.0",
     "ramda": "^0.28.0",
     "sanitize-html": "^2.11.0",
     "svelte-filepond": "^0.2.0",
diff --git a/apps/sandbox/src/data-request/PersonaDataCard.tsx b/apps/sandbox/src/data-request/PersonaDataCard.tsx
index 61c12b8bc..91b5fe84d 100644
--- a/apps/sandbox/src/data-request/PersonaDataCard.tsx
+++ b/apps/sandbox/src/data-request/PersonaDataCard.tsx
@@ -76,7 +76,6 @@ export const PersonaDataCard = () => {
             )
           }
         )}
-        ;
         <Box mt={2}>
           <Checkbox
             disabled={!enabled}
diff --git a/apps/sandbox/src/one-time-data-request/AccountsProof.tsx b/apps/sandbox/src/one-time-data-request/AccountsProof.tsx
new file mode 100644
index 000000000..d89c7d9ca
--- /dev/null
+++ b/apps/sandbox/src/one-time-data-request/AccountsProof.tsx
@@ -0,0 +1,92 @@
+import Box from '@mui/joy/Box'
+import Checkbox from '@mui/joy/Checkbox'
+import { Card } from '../components/Card'
+import { Button, Input } from '@mui/joy'
+
+export const AccountsProofCard = ({
+  state,
+  updateState
+}: {
+  state: {
+    enabled: boolean
+    data: {
+      addresses: string[]
+    }
+  }
+  updateState: (state: {
+    enabled: boolean
+    data: {
+      addresses: string[]
+    }
+  }) => void
+}) => {
+  const enabled = !!state.enabled
+  return (
+    <Card
+      title="Accounts Proof of Ownership"
+      side={
+        <Checkbox
+          checked={enabled}
+          onChange={(ev) => {
+            updateState({ ...state, enabled: ev.target.checked })
+          }}
+        />
+      }
+    >
+      <Box
+        sx={{
+          p: 2,
+          display: 'grid',
+          gap: 2
+        }}
+      >
+        <Button
+          color="primary"
+          onClick={() => {
+            updateState({
+              ...state,
+              data: {
+                addresses: [...state.data.addresses, '']
+              }
+            })
+          }}
+        >
+          Add
+        </Button>
+        {state.data.addresses.map((address, index) => (
+          <Box sx={{ display: 'flex', gap: 1 }} key={index}>
+            <Input
+              sx={{ width: '100%' }}
+              placeholder="account address"
+              value={address}
+              onChange={(ev) => {
+                const addresses = [...state.data.addresses]
+                addresses[index] = ev.target.value
+                updateState({
+                  ...state,
+                  data: {
+                    addresses
+                  }
+                })
+              }}
+            />
+            <Button
+              onClick={() => {
+                const addresses = [...state.data.addresses]
+                addresses.splice(index, 1)
+                updateState({
+                  ...state,
+                  data: {
+                    addresses
+                  }
+                })
+              }}
+            >
+              x
+            </Button>
+          </Box>
+        ))}
+      </Box>
+    </Card>
+  )
+}
diff --git a/apps/sandbox/src/one-time-data-request/OneTimeDataRequestsPage.tsx b/apps/sandbox/src/one-time-data-request/OneTimeDataRequestsPage.tsx
index cf12d4939..aac29c67b 100644
--- a/apps/sandbox/src/one-time-data-request/OneTimeDataRequestsPage.tsx
+++ b/apps/sandbox/src/one-time-data-request/OneTimeDataRequestsPage.tsx
@@ -12,6 +12,8 @@ import {
   OneTimeDataRequestBuilderItem
 } from '@common/rdt'
 import { useState } from 'react'
+import { PersonaProofCard } from './PersonaProof'
+import { AccountsProofCard } from './AccountsProof'
 export const OneTimeDataRequestsPage = () => {
   const [state, setState] = useState<{
     accounts: {
@@ -32,6 +34,18 @@ export const OneTimeDataRequestsPage = () => {
         phoneNumbers: boolean
       }
     }
+    personaProof: {
+      enabled: boolean
+      data: {
+        address: string
+      }
+    }
+    accountsProof: {
+      enabled: boolean
+      data: {
+        addresses: string[]
+      }
+    }
   }>({
     accounts: {
       enabled: true,
@@ -47,6 +61,18 @@ export const OneTimeDataRequestsPage = () => {
         emailAddresses: false,
         phoneNumbers: false
       }
+    },
+    personaProof: {
+      enabled: false,
+      data: {
+        address: ''
+      }
+    },
+    accountsProof: {
+      enabled: false,
+      data: {
+        addresses: []
+      }
     }
   })
 
@@ -54,7 +80,8 @@ export const OneTimeDataRequestsPage = () => {
     <Box
       sx={{
         display: 'grid',
-        gridTemplateColumns: 'minmax(160px, 300px) minmax(200px, 1fr)',
+        gridTemplateColumns:
+          'minmax(160px, 300px) minmax(300px, 500px) minmax(200px, 1fr)',
         gap: 1
       }}
     >
@@ -77,6 +104,25 @@ export const OneTimeDataRequestsPage = () => {
           }}
         />
       </Box>
+      <Box
+        sx={{
+          display: 'grid',
+          gap: 1
+        }}
+      >
+        <PersonaProofCard
+          state={state.personaProof}
+          updateState={(personaProof) => {
+            setState((prev) => ({ ...prev, personaProof }))
+          }}
+        />
+        <AccountsProofCard
+          state={state.accountsProof}
+          updateState={(accountsProof) => {
+            setState((prev) => ({ ...prev, accountsProof }))
+          }}
+        />
+      </Box>
       <Box>
         <Sheet
           variant="outlined"
@@ -124,6 +170,35 @@ export const OneTimeDataRequestsPage = () => {
                     dataRequest.push(personaDataRequest)
                   }
 
+                  if (
+                    state.personaProof.enabled ||
+                    state.accountsProof.enabled
+                  ) {
+                    let poo = OneTimeDataRequestBuilder.proofOfOwnership()
+                    if (
+                      state.personaProof.enabled &&
+                      state.accountsProof.enabled
+                    ) {
+                      dataRequest.push(
+                        poo
+                          .accounts(
+                            state.accountsProof.data.addresses.filter(Boolean)
+                          )
+                          .identity(state.personaProof.data.address)
+                      )
+                    } else if (state.personaProof.enabled) {
+                      dataRequest.push(
+                        poo.identity(state.personaProof.data.address)
+                      )
+                    } else if (state.accountsProof.enabled) {
+                      dataRequest.push(
+                        poo.accounts(
+                          state.accountsProof.data.addresses.filter(Boolean)
+                        )
+                      )
+                    }
+                  }
+
                   rdt.walletApi.sendOneTimeRequest(...dataRequest)
                 }}
                 sx={{ alignSelf: 'center', width: '150px' }}
diff --git a/apps/sandbox/src/one-time-data-request/PersonaProof.tsx b/apps/sandbox/src/one-time-data-request/PersonaProof.tsx
new file mode 100644
index 000000000..cb603c5bb
--- /dev/null
+++ b/apps/sandbox/src/one-time-data-request/PersonaProof.tsx
@@ -0,0 +1,49 @@
+import Box from '@mui/joy/Box'
+import Checkbox from '@mui/joy/Checkbox'
+import { Card } from '../components/Card'
+import { Input } from '@mui/joy'
+
+export const PersonaProofCard = ({
+  state,
+  updateState
+}: {
+  state: {
+    enabled: boolean
+    data: {
+      address: string
+    }
+  }
+  updateState: (state: {
+    enabled: boolean
+    data: {
+      address: string
+    }
+  }) => void
+}) => {
+  const enabled = !!state.enabled
+  return (
+    <Card
+      title="Persona Proof of Ownership"
+      side={
+        <Checkbox
+          checked={enabled}
+          onChange={(ev) => {
+            updateState({ ...state, enabled: ev.target.checked })
+          }}
+        />
+      }
+    >
+      <Box sx={{ p: 2 }}>
+        <Input
+          placeholder="Identity address"
+          onChange={(event) => {
+            updateState({
+              ...state,
+              data: { address: event.target.value.toString() }
+            })
+          }}
+        />
+      </Box>
+    </Card>
+  )
+}
diff --git a/apps/sandbox/src/rdt/rdt.ts b/apps/sandbox/src/rdt/rdt.ts
index eb0329b45..e0818b213 100644
--- a/apps/sandbox/src/rdt/rdt.ts
+++ b/apps/sandbox/src/rdt/rdt.ts
@@ -1,6 +1,7 @@
 import { BehaviorSubject, tap } from 'rxjs'
 import {
   DataRequestBuilder,
+  EnvironmentModule,
   GatewayModule,
   LocalStorageModule,
   RadixDappToolkit,
@@ -87,8 +88,15 @@ export const gatewayApi = GatewayApiClient({
   applicationVersion
 })
 
+const environmentModule = EnvironmentModule()
+
 const storageModule = LocalStorageModule(
-  `rdt:${dAppDefinitionAddress.value}:${networkId}`
+  `rdt:${dAppDefinitionAddress.value}:${networkId}`,
+  {
+    providers: {
+      environmentModule
+    }
+  }
 )
 
 const stateModule = StateModule({
@@ -116,7 +124,8 @@ const walletRequestModule = WalletRequestModule({
   providers: {
     stateModule,
     storageModule,
-    gatewayModule
+    gatewayModule,
+    environmentModule
   }
 })
 
diff --git a/package-lock.json b/package-lock.json
index 0445729fd..477c63a06 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -39,7 +39,7 @@
         "database": "*",
         "filepond": "^4.30.4",
         "filepond-plugin-file-validate-type": "^1.2.8",
-        "neverthrow": "^6.2.1",
+        "neverthrow": "^8.0.0",
         "ramda": "^0.28.0",
         "sanitize-html": "^2.11.0",
         "svelte-filepond": "^0.2.0",
@@ -727,7 +727,7 @@
         "filepond": "^4.30.4",
         "filepond-plugin-file-validate-type": "^1.2.8",
         "jsonwebtoken": "^9.0.2",
-        "neverthrow": "^6.2.1",
+        "neverthrow": "^8.0.0",
         "ramda": "^0.28.0",
         "sanitize-html": "^2.11.0",
         "svelte-filepond": "^0.2.0",
@@ -8912,23 +8912,22 @@
       }
     },
     "node_modules/@radixdlt/radix-dapp-toolkit": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/@radixdlt/radix-dapp-toolkit/-/radix-dapp-toolkit-2.1.1.tgz",
-      "integrity": "sha512-HgKio/tDY31/E/t+eF/4B1xPiOdQRhxgR+sZ4nKmFPQPEgTfkckrvaIgkYnI4NfZfuQC/Nb+ODSimKIWSzkNHw==",
+      "version": "2.2.0-dev.19",
+      "resolved": "https://registry.npmjs.org/@radixdlt/radix-dapp-toolkit/-/radix-dapp-toolkit-2.2.0-dev.19.tgz",
+      "integrity": "sha512-8DKBgQIp6FfJGDo0iDPN7BBdeXhkhY/H8mOX5BHWGkdsUpNhVWbTD86L9txrsYIz3et1ud4VBlZg1lBx3lfvAw==",
       "dependencies": {
         "@noble/curves": "^1.4.0",
         "base64url": "^3.0.1",
         "blakejs": "^1.2.1",
-        "bowser": "^2.11.0",
         "buffer": "^6.0.3",
         "immer": "^10.0.4",
         "lit": "^3.1.2",
         "lit-html": "^3.1.2",
-        "neverthrow": "^6.1.0",
+        "neverthrow": "^8.0.0",
         "rxjs": "^7.8.1",
         "tslog": ">=4.8.0",
         "uuid": "^10.0.0",
-        "valibot": "0.30.0"
+        "valibot": "0.42.1"
       },
       "engines": {
         "node": ">=18"
@@ -9021,6 +9020,21 @@
         "secp256k1": "5.0.0"
       }
     },
+    "node_modules/@radixdlt/rola": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/@radixdlt/rola/-/rola-2.1.0.tgz",
+      "integrity": "sha512-6RmKXM1EodtNFnRIjWPCaU1WiF5oOSeJhV+5SFFH8ttCpV/WmNcP010ARHDyFZGMCsK0fvpS7w5gdCMeKECNew==",
+      "dependencies": {
+        "@noble/curves": "^1.4.0",
+        "@radixdlt/babylon-gateway-api-sdk": "^1.4.1",
+        "@radixdlt/radix-engine-toolkit": "^1.0.5",
+        "blakejs": "^1.2.1",
+        "neverthrow": "^6 || ^7 || ^8"
+      },
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
     "node_modules/@remix-run/router": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/@remix-run/router/-/router-1.10.0.tgz",
@@ -15055,11 +15069,6 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "node_modules/bowser": {
-      "version": "2.11.0",
-      "resolved": "https://registry.npmjs.org/bowser/-/bowser-2.11.0.tgz",
-      "integrity": "sha512-AlcaJBi/pqqJBIQ8U9Mcpc9i8Aqxn88Skv5d+xBX006BY5u8N3mGLHa5Lgppa7L/HfwgwLgZ6NYs+Ag6uUmJRA=="
-    },
     "node_modules/bplist-parser": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/bplist-parser/-/bplist-parser-0.2.0.tgz",
@@ -26180,9 +26189,12 @@
       "dev": true
     },
     "node_modules/neverthrow": {
-      "version": "6.2.1",
-      "resolved": "https://registry.npmjs.org/neverthrow/-/neverthrow-6.2.1.tgz",
-      "integrity": "sha512-amlnNvPXmiUOmNsDfUngNWPdZYOmCUGExQy/kuPCmLbhrXVXIYhY4bnE4D3dWl7OMhSEr9NndUrl4aKGFhFIQg=="
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/neverthrow/-/neverthrow-8.0.0.tgz",
+      "integrity": "sha512-SX2Z50+U27I+CF3NwHE9J8MB6+bYRRub3U+1nAKxnL6c+2vW2l/WsYEC0e3Wqg8DwiJvrquqE0YhxlVTzGJGsg==",
+      "engines": {
+        "node": ">=18"
+      }
     },
     "node_modules/no-case": {
       "version": "3.0.4",
@@ -31315,9 +31327,17 @@
       }
     },
     "node_modules/valibot": {
-      "version": "0.30.0",
-      "resolved": "https://registry.npmjs.org/valibot/-/valibot-0.30.0.tgz",
-      "integrity": "sha512-5POBdbSkM+3nvJ6ZlyQHsggisfRtyT4tVTo1EIIShs6qCdXJnyWU5TJ68vr8iTg5zpOLjXLRiBqNx+9zwZz/rA=="
+      "version": "0.42.1",
+      "resolved": "https://registry.npmjs.org/valibot/-/valibot-0.42.1.tgz",
+      "integrity": "sha512-3keXV29Ar5b//Hqi4MbSdV7lfVp6zuYLZuA9V1PvQUsXqogr+u5lvLPLk3A4f74VUXDnf/JfWMN6sB+koJ/FFw==",
+      "peerDependencies": {
+        "typescript": ">=5"
+      },
+      "peerDependenciesMeta": {
+        "typescript": {
+          "optional": true
+        }
+      }
     },
     "node_modules/validate-npm-package-license": {
       "version": "3.0.4",
@@ -32225,9 +32245,9 @@
         "@floating-ui/dom": "^1.5.3",
         "@radixdlt/babylon-core-api-sdk": "^1.2.3",
         "@radixdlt/babylon-gateway-api-sdk": "^1.8.1",
-        "@radixdlt/radix-dapp-toolkit": "^2.1.1",
+        "@radixdlt/radix-dapp-toolkit": "2.2.0-dev.19",
         "@radixdlt/radix-engine-toolkit": "^1.0.5",
-        "@radixdlt/rola": "^2.0.0",
+        "@radixdlt/rola": "^2.1.0",
         "dayjs": "^1.11.10",
         "zod": "^3.22.4"
       },
@@ -32235,21 +32255,6 @@
         "typescript": "^5.1.6"
       }
     },
-    "packages/common/node_modules/@radixdlt/rola": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/@radixdlt/rola/-/rola-2.0.0.tgz",
-      "integrity": "sha512-W3UDtLpj59kxSntPgjv4niixTQ6MnTe6ZhP9WN8PSMFrbq7/SExJ22TQ8AobMDcv5yYS4wrG1UPg4V6mBEL7Xg==",
-      "dependencies": {
-        "@noble/curves": "^1.4.0",
-        "@radixdlt/babylon-gateway-api-sdk": "^1.4.1",
-        "@radixdlt/radix-engine-toolkit": "^1.0.3",
-        "blakejs": "^1.2.1",
-        "neverthrow": "^6.1.0"
-      },
-      "engines": {
-        "node": ">=14.0.0"
-      }
-    },
     "packages/configs": {
       "version": "0.0.0",
       "extraneous": true,
@@ -32275,7 +32280,7 @@
         "filepond": "^4.30.4",
         "filepond-plugin-file-validate-type": "^1.2.8",
         "jsonwebtoken": "^9.0.0",
-        "neverthrow": "^6.2.1",
+        "neverthrow": "^8.0.0",
         "ramda": "^0.28.0",
         "sanitize-html": "^2.11.0",
         "svelte-filepond": "^0.2.0",
diff --git a/packages/common/package.json b/packages/common/package.json
index 1dad50d6c..685ee9c80 100644
--- a/packages/common/package.json
+++ b/packages/common/package.json
@@ -7,9 +7,9 @@
     "@floating-ui/dom": "^1.5.3",
     "@radixdlt/babylon-core-api-sdk": "^1.2.3",
     "@radixdlt/babylon-gateway-api-sdk": "^1.8.1",
-    "@radixdlt/radix-dapp-toolkit": "^2.1.1",
+    "@radixdlt/radix-dapp-toolkit": "2.2.0-dev.19",
     "@radixdlt/radix-engine-toolkit": "^1.0.5",
-    "@radixdlt/rola": "^2.0.0",
+    "@radixdlt/rola": "^2.1.0",
     "dayjs": "^1.11.10",
     "zod": "^3.22.4"
   },
diff --git a/packages/ui/package.json b/packages/ui/package.json
index 2d74b3467..f4c0de82e 100644
--- a/packages/ui/package.json
+++ b/packages/ui/package.json
@@ -94,7 +94,7 @@
     "filepond": "^4.30.4",
     "filepond-plugin-file-validate-type": "^1.2.8",
     "jsonwebtoken": "^9.0.0",
-    "neverthrow": "^6.2.1",
+    "neverthrow": "^8.0.0",
     "ramda": "^0.28.0",
     "sanitize-html": "^2.11.0",
     "svelte-filepond": "^0.2.0",