diff --git a/multichain-testing/test/basic-flows.test.ts b/multichain-testing/test/basic-flows.test.ts
index 8db6ef7c84e..658ce851d67 100644
--- a/multichain-testing/test/basic-flows.test.ts
+++ b/multichain-testing/test/basic-flows.test.ts
@@ -16,12 +16,15 @@ const contractBuilder =
   '../packages/builders/scripts/orchestration/init-basic-flows.js';
 
 test.before(async t => {
-  const { deleteTestKeys, setupTestKeys, ...rest } = await commonSetup(t);
+  const { setupTestKeys, ...common } = await commonSetup(t);
+  const { assetInfo, chainInfo, deleteTestKeys, startContract } = common;
   deleteTestKeys(accounts).catch();
   const wallets = await setupTestKeys(accounts);
-  t.context = { ...rest, wallets, deleteTestKeys };
-  const { startContract } = rest;
-  await startContract(contractName, contractBuilder);
+  t.context = { ...common, wallets };
+  await startContract(contractName, contractBuilder, {
+    chainInfo: JSON.stringify(chainInfo),
+    assetInfo: JSON.stringify(assetInfo),
+  });
 });
 
 test.after(async t => {
diff --git a/multichain-testing/test/deposit-withdraw-lca.test.ts b/multichain-testing/test/deposit-withdraw-lca.test.ts
index 9ba574dff56..226b29d45dd 100644
--- a/multichain-testing/test/deposit-withdraw-lca.test.ts
+++ b/multichain-testing/test/deposit-withdraw-lca.test.ts
@@ -14,12 +14,15 @@ const contractBuilder =
   '../packages/builders/scripts/orchestration/init-basic-flows.js';
 
 test.before(async t => {
-  const { deleteTestKeys, setupTestKeys, ...rest } = await commonSetup(t);
+  const { setupTestKeys, ...common } = await commonSetup(t);
+  const { assetInfo, chainInfo, deleteTestKeys, startContract } = common;
   deleteTestKeys(accounts).catch();
   const wallets = await setupTestKeys(accounts);
-  t.context = { ...rest, wallets, deleteTestKeys };
-  const { startContract } = rest;
-  await startContract(contractName, contractBuilder);
+  t.context = { ...common, wallets };
+  await startContract(contractName, contractBuilder, {
+    chainInfo: JSON.stringify(chainInfo),
+    assetInfo: JSON.stringify(assetInfo),
+  });
 });
 
 test.after(async t => {
diff --git a/multichain-testing/test/deposit-withdraw-portfolio.test.ts b/multichain-testing/test/deposit-withdraw-portfolio.test.ts
index 24bb5277a80..afd484284b8 100644
--- a/multichain-testing/test/deposit-withdraw-portfolio.test.ts
+++ b/multichain-testing/test/deposit-withdraw-portfolio.test.ts
@@ -14,12 +14,15 @@ const contractBuilder =
   '../packages/builders/scripts/orchestration/init-basic-flows.js';
 
 test.before(async t => {
-  const { deleteTestKeys, setupTestKeys, ...rest } = await commonSetup(t);
+  const { setupTestKeys, ...common } = await commonSetup(t);
+  const { assetInfo, chainInfo, deleteTestKeys, startContract } = common;
   deleteTestKeys(accounts).catch();
   const wallets = await setupTestKeys(accounts);
-  t.context = { ...rest, wallets, deleteTestKeys };
-  const { startContract } = rest;
-  await startContract(contractName, contractBuilder);
+  t.context = { ...common, wallets };
+  await startContract(contractName, contractBuilder, {
+    chainInfo: JSON.stringify(chainInfo),
+    assetInfo: JSON.stringify(assetInfo),
+  });
 });
 
 test.after(async t => {
diff --git a/multichain-testing/test/ica-channel-close.test.ts b/multichain-testing/test/ica-channel-close.test.ts
index 9e844fa903b..ab7437da525 100644
--- a/multichain-testing/test/ica-channel-close.test.ts
+++ b/multichain-testing/test/ica-channel-close.test.ts
@@ -22,12 +22,15 @@ const contractBuilder =
   '../packages/builders/scripts/orchestration/init-basic-flows.js';
 
 test.before(async t => {
-  const { deleteTestKeys, setupTestKeys, ...rest } = await commonSetup(t);
+  const { setupTestKeys, ...common } = await commonSetup(t);
+  const { assetInfo, chainInfo, deleteTestKeys, startContract } = common;
   deleteTestKeys(accounts).catch();
   const wallets = await setupTestKeys(accounts);
-  t.context = { ...rest, wallets, deleteTestKeys };
-  const { startContract } = rest;
-  await startContract(contractName, contractBuilder);
+  t.context = { ...common, wallets };
+  await startContract(contractName, contractBuilder, {
+    chainInfo: JSON.stringify(chainInfo),
+    assetInfo: JSON.stringify(assetInfo),
+  });
 });
 
 test.after(async t => {
diff --git a/multichain-testing/test/tools/asset-info.test.ts b/multichain-testing/test/tools/asset-info.test.ts
index f12748de7fd..be054b65180 100644
--- a/multichain-testing/test/tools/asset-info.test.ts
+++ b/multichain-testing/test/tools/asset-info.test.ts
@@ -80,6 +80,7 @@ test('makeAssetInfo', async t => {
       {
         baseDenom: 'uist',
         baseName: 'agoric',
+        brandKey: 'IST',
         chainName: 'agoric',
       },
     ],
@@ -88,6 +89,7 @@ test('makeAssetInfo', async t => {
       {
         baseDenom: 'ubld',
         baseName: 'agoric',
+        brandKey: 'BLD',
         chainName: 'agoric',
       },
     ],
diff --git a/multichain-testing/tools/asset-info.ts b/multichain-testing/tools/asset-info.ts
index 34c7d536b8c..f3e548d1968 100644
--- a/multichain-testing/tools/asset-info.ts
+++ b/multichain-testing/tools/asset-info.ts
@@ -37,6 +37,13 @@ export const makeAssetInfo = (
     return `ibc/${denomHash({ denom, channelId })}`;
   };
 
+  // `brandKey` instead of `brand` until #10580
+  // only BLD, IST until #9966
+  const BRAND_KEY_MAP: Record<string, string> = {
+    ubld: 'BLD',
+    uist: 'IST',
+  };
+
   // only include chains present in `chainInfo`
   const tokens = Object.entries(tokenMap)
     .filter(([chain]) => chain in chainInfo)
@@ -55,6 +62,7 @@ export const makeAssetInfo = (
       {
         ...baseDetails,
         chainName: chain,
+        ...(BRAND_KEY_MAP[denom] && { brandKey: BRAND_KEY_MAP[denom] }),
       },
     ]);
 
@@ -62,11 +70,15 @@ export const makeAssetInfo = (
     const issuingChainId = chainInfo[chain].chainId;
     for (const holdingChain of Object.keys(chainInfo)) {
       if (holdingChain === chain) continue;
+      const denomHash = toDenomHash(denom, issuingChainId, holdingChain);
       assetInfo.push([
-        toDenomHash(denom, issuingChainId, holdingChain),
+        denomHash,
         {
           ...baseDetails,
           chainName: holdingChain,
+          ...(BRAND_KEY_MAP[denomHash] && {
+            brandKey: BRAND_KEY_MAP[denomHash],
+          }),
         },
       ]);
     }