Add WalletConnect support to Blockdaemon Institutional Vault

WALLET_DIRECTORY.md

@@ -44,7 +44,7 @@ A linked "Not supported" means the wallet has said no with a reason
 |     Memo tag support for transfers to omnibus accounts | [✅](proofs/dfns/dfns-self-attestation.md#memo-tag-support-for-transfers-to-omnibus-accounts-memo_tag_support) | ✅ | [✅](proofs/askardex-wallet/askardex-wallet-self-attestation.md#memo-tag-support-for-transfers-to-omnibus-accounts-memo_tag_support) | [✅](proofs/walley/walley-self-attestation.md#memo-tag-support-for-transfers-to-omnibus-accounts-memo_tag_support) | [✅](proofs/blockdaemon-institutional-vault/blockdaemon-institutional-vault-self-attestation.md#memo-tag-support-for-transfers-to-omnibus-accounts-memo_tag_support) | [✅](proofs/nightly/nightly-self-attestation.md#memo-tag-support-for-transfers-to-omnibus-accounts-memo_tag_support) | [✅](proofs/metatarz/metatarz-self-attestation.md#memo-tag-support-for-transfers-to-omnibus-accounts-memo_tag_support) | [✅](proofs/ledger-wallet/ledger-wallet-self-attestation.md#memo-tag-support-for-transfers-to-omnibus-accounts-memo_tag_support) |
 | **dApp Connectivity (CIP-103)** |  |  |  |  |  |  |  |  |
 |     CIP-0103 dApp API support | — | ✅ | [✅](proofs/askardex-wallet/askardex-wallet-self-attestation.md#cip-0103-dapp-api-support-cip_0103_dapp_api) | [✅](proofs/walley/walley-self-attestation.md#cip-0103-dapp-api-support-cip_0103_dapp_api) | — | [✅](proofs/nightly/nightly-self-attestation.md#cip-0103-dapp-api-support-cip_0103_dapp_api) | [✅](proofs/metatarz/metatarz-self-attestation.md#cip-0103-dapp-api-support-cip_0103_dapp_api) | [Not supported](wallets/ledger-wallet.yaml) |
-|     Wallet Connect support | [✅](proofs/dfns/dfns-self-attestation.md#wallet-connect-support-walletconnect_support) | ✅ | [✅](proofs/askardex-wallet/askardex-wallet-self-attestation.md#wallet-connect-support-walletconnect_support) | [Not supported](wallets/walley.yaml) | — | — | — | [Not supported](wallets/ledger-wallet.yaml) |
+|     Wallet Connect support | [✅](proofs/dfns/dfns-self-attestation.md#wallet-connect-support-walletconnect_support) | ✅ | [✅](proofs/askardex-wallet/askardex-wallet-self-attestation.md#wallet-connect-support-walletconnect_support) | [Not supported](wallets/walley.yaml) | [✅](proofs/blockdaemon-institutional-vault/blockdaemon-institutional-vault-self-attestation.md#wallet-connect-support-walletconnect_support) | — | — | [Not supported](wallets/ledger-wallet.yaml) |
 
 ## Other Features
 

proofs/blockdaemon-institutional-vault/blockdaemon-institutional-vault-self-attestation.md

@@ -1,7 +1,7 @@
 # Blockdaemon Institutional Vault — Self-Attestation Evidence
 
 Wallet name: `blockdaemon-institutional-vault`
-Last updated: 2026-08-04
+Last updated: 2026-08-27
 
 Public documentation source: [https://vault.docs.blockdaemon.com/](https://vault.docs.blockdaemon.com/)
 (repo: `mothership-public-docs`)
@@ -23,6 +23,7 @@ entries. Live Canton update IDs, party IDs, explorer links, and screenshots
 | `cip_0056_transfer` | [Add CIP56 asset](https://vault.docs.blockdaemon.com/reference/addblockchainsupportedasset), TestNet USDCx transfer below |
 | `cip_0056_allocation` | [Create Allocation](https://vault.docs.blockdaemon.com/reference/cwpstartcreateallocation), TestNet DvP allocate + settle below |
 | `memo_tag_support` | [Make Transaction](https://vault.docs.blockdaemon.com/reference/cwpstartmaketransaction) `Canton.Reason`, on-chain DevNet transfer + Vault memo below |
+| `walletconnect_support` | DA Registry WalletConnect session + Vault Canton `bd::` party screenshots below |
 | `tokenization` | DevNet MintOffer + TestNet DvP; Canton Contract Management screenshots below |
 | `wallet_gateway_signing_driver` | [canton-network/wallet `core/signing-blockdaemon`](https://github.com/canton-network/wallet/blob/main/core/signing-blockdaemon/README.md) |
 | `clear_signing` | ApproverApp screenshots below (AllocationFactory_Allocate / USDCx) |
@@ -179,6 +180,28 @@ Canton DevNet DTCC Offer Mint via Canton Contract Management:
   - Public API field: [Make Transaction](https://vault.docs.blockdaemon.com/reference/cwpstartmaketransaction) optional `Canton.Reason` (`cwpCantonSpec.Reason`).
   - On-ledger metadata key: `splice.lfdecentralizedtrust.org/reason`.
 
+## Wallet Connect support `walletconnect_support`
+
+> Connect to and sign transactions from a third-party dApp via Wallet
+> Connect.
+>
+> Suggested test: Connect to a dApp using Wallet Connect. Initiate a
+> transaction from within the dApp and sign it from the wallet. Confirm the
+> successful transaction. Optionally provide screenshots or a video
+> recording.
+
+- Transaction update ID(s): n/a (session and party-identity evidence; no dApp-initiated on-chain update attached)
+- Party ID(s): `bd::122075956b920f8d6786f4872515e900d7920c19c5c57647d434fc62b5c5229913bf`
+- Explorer link(s): n/a
+- Screenshot(s) / video:
+  - ![Vault WalletConnect session with Canton dApp](./blockdaemon-institutional-vault-self-attestation-images/walletconnect-vault-session-on.jpg)
+  - ![Vault Canton main address](./blockdaemon-institutional-vault-self-attestation-images/walletconnect-vault-canton-address.png)
+  - ![DA Registry connected Wallet party](./blockdaemon-institutional-vault-self-attestation-images/walletconnect-da-registry-connected.jpg)
+- Notes:
+  - Institutional Vault UI shows **WalletConnect is on** for Canton, with connected dApp **Canton dApp**.
+  - The same Vault Canton main address (`bd::122075956b9…`) is the DA Registry (Test) connected Wallet / Provider party (`registry.test.app.digitalasset.com/registry/onboarding`). DA Registry User ID: `bd`.
+  - Public docs: [WalletConnect Usage](https://vault.docs.blockdaemon.com/docs/walletconnect-usage); Canton sessions on the same flow: [Institutional Vault Release v3.7.0](https://vault.docs.blockdaemon.com/changelog/institutional-vault-release-v370).
+
 ## Wallet Gateway signing driver `wallet_gateway_signing_driver`
 
 > Integration with the Wallet Gateway signing driver.

wallets/blockdaemon-institutional-vault.yaml

@@ -48,6 +48,12 @@ features:
     proof: proofs/blockdaemon-institutional-vault/blockdaemon-institutional-vault-self-attestation.md#memo-tag-support-for-transfers-to-omnibus-accounts-memo_tag_support
     verified_by: []
 
+  # dApp Connectivity (CIP-103)
+  walletconnect_support:
+    supported: true
+    proof: proofs/blockdaemon-institutional-vault/blockdaemon-institutional-vault-self-attestation.md#wallet-connect-support-walletconnect_support
+    verified_by: []
+
   # App Specific
   wallet_gateway_signing_driver:
     supported: true