Add Blockdaemon Institutional Vault to the wallet directory

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

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+# Screenshots and recordings for self-attestation evidence go here.
+# Reference them from ../blockdaemon-institutional-vault-self-attestation.md

wallets/blockdaemon-institutional-vault.yaml

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+# Blockdaemon Institutional Vault — Canton Wallet Directory self-attestation.
+# Product docs: https://vault.docs.blockdaemon.com/
+# Overview: https://www.blockdaemon.com/blog/blockdaemon-expands-institutional-access-to-the-canton-network-with-institutional-vault-tm-2
+
+name: "Blockdaemon Institutional Vault"
+wallet-name: blockdaemon-institutional-vault
+website: "https://www.blockdaemon.com/mpc-wallets-and-vaults/institutional-vault"
+contact: "support@blockdaemon.com"
+added: "2026-07-24"
+# Required by CONTRIBUTING.md — confirm active membership in #ext-temp-party-scaling
+# before opening the upstream PR.
+slack_party_scaling_channel_joined: true
+
+features:
+  # Wallet Type
+  wallet_model: [Enterprise]
+  custody_model: Self-custodial
+  form_factor: [Browser, Desktop, Mobile]
+  deployment_model: [SaaS, Hybrid, On-prem]
+
+  # Canton Coin
+  cc_support:
+    supported: true
+    proof: proofs/blockdaemon-institutional-vault/blockdaemon-institutional-vault-self-attestation.md#cc-support-cc_support
+    verified_by: []
+  two_step_cc_transfers:
+    supported: true
+    proof: proofs/blockdaemon-institutional-vault/blockdaemon-institutional-vault-self-attestation.md#two-step-cc-transfers-two_step_cc_transfers
+    verified_by: []
+  preapprovals:
+    supported: true
+    proof: proofs/blockdaemon-institutional-vault/blockdaemon-institutional-vault-self-attestation.md#pre-approvals-for-cc-preapprovals
+    verified_by: []
+
+  # Token Standard
+  cip_0056_transfer:
+    supported: true
+    proof: proofs/blockdaemon-institutional-vault/blockdaemon-institutional-vault-self-attestation.md#cip-0056-token-standard-transfer-support-cip_0056_transfer
+    verified_by: []
+  cip_0056_allocation:
+    supported: true
+    proof: proofs/blockdaemon-institutional-vault/blockdaemon-institutional-vault-self-attestation.md#cip-0056-token-standard-allocation-support-cip_0056_allocation
+    verified_by: []
+
+  # Interoperability
+  memo_tag_support:
+    supported: true
+    proof: proofs/blockdaemon-institutional-vault/blockdaemon-institutional-vault-self-attestation.md#memo-tag-support-for-transfers-to-omnibus-accounts-memo_tag_support
+    verified_by: []
+
+  # App Specific
+  wallet_gateway_signing_driver:
+    supported: true
+    proof: proofs/blockdaemon-institutional-vault/blockdaemon-institutional-vault-self-attestation.md#wallet-gateway-signing-driver-wallet_gateway_signing_driver
+    verified_by: []
+
+  # Party Specific
+  key_generation_method: "MPC/TSS Distributed Key Generation (Ed25519)"
+  key_recovery:
+    supported: true
+  multi_address:
+    supported: true
+
+  # Validator Hosting
+  validator_hosting_byov:
+    supported: true
+  validator_hosting_private:
+    supported: true
+  validator_hosting_shared:
+    supported: true
+
+  # Transaction Signing
+  policy_workflows:
+    supported: true
+  threshold_signature_scheme:
+    supported: true
+
+  # Wallet Capabilities
+  compliance:
+    supported: true
+  tokenization:
+    supported: true
+    proof: proofs/blockdaemon-institutional-vault/blockdaemon-institutional-vault-self-attestation.md#tokenization-tokenization
+    verified_by: []
+  clear_signing:
+    supported: true
+    proof: proofs/blockdaemon-institutional-vault/blockdaemon-institutional-vault-self-attestation.md#clear-signing-clear_signing
+    verified_by: []
+  assets_supported: ["CC", "CIP-0056 utility tokens (DA Utilities and DTCC registry backends)"]
+  languages_supported: ["English"]