diff --git a/packages/cosmic-swingset/lib/ag-solo/vats/bootstrap.js b/packages/cosmic-swingset/lib/ag-solo/vats/bootstrap.js
index 02376082935..c76d4010b6a 100644
--- a/packages/cosmic-swingset/lib/ag-solo/vats/bootstrap.js
+++ b/packages/cosmic-swingset/lib/ag-solo/vats/bootstrap.js
@@ -56,26 +56,60 @@ export function buildRootObject(vatPowers, vatParameters) {
     ]);
 
     // Make the other demo mints
-    const issuerNames = ['moola', 'simolean'];
+    /**
+     * @typedef {Object} IssuerRecord
+     * @property {Array<any>} [issuerArgs]
+     * @property {string} pursePetname
+     * @property {any} mintValue
+     */
+    /** @type {Map<string, IssuerRecord>} */
+    const issuerNameToRecord = new Map(
+      harden([
+        [
+          'Testnet.$USD',
+          {
+            issuerArgs: [undefined, { decimalPlaces: 3 }],
+            mintValue: 20000,
+            pursePetname: 'Local currency',
+          },
+        ],
+        [
+          'Testnet.$LINK',
+          {
+            issuerArgs: [undefined, { decimalPlaces: 6 }],
+            mintValue: 7 * 10 ** 6,
+            pursePetname: 'Oracle fee',
+          },
+        ],
+        [
+          'moola',
+          {
+            mintValue: 1900,
+            pursePetname: 'Fun budget',
+          },
+        ],
+        [
+          'simolean',
+          {
+            mintValue: 1900,
+            pursePetname: 'Nest egg',
+          },
+        ],
+      ]),
+    );
+    const issuerNames = [...issuerNameToRecord.keys()];
     const issuers = await Promise.all(
       issuerNames.map(issuerName =>
-        E(vats.mints).makeMintAndIssuer(issuerName),
+        E(vats.mints).makeMintAndIssuer(
+          issuerName,
+          ...(issuerNameToRecord.get(issuerName).issuerArgs || []),
+        ),
       ),
     );
 
     // TODO: Create priceAuthority pairs for moola-simolean based on the
     // FakePriceAuthority.
 
-    // Register the moola and simolean issuers
-    const issuerInfo = await Promise.all(
-      issuerNames.map(async (issuerName, i) =>
-        harden({
-          issuer: issuers[i],
-          petname: issuerName,
-        }),
-      ),
-    );
-
     return harden({
       async createUserBundle(_nickname, powerFlags = []) {
         // Bind to some fresh ports (unspecified name) on the IBC implementation
@@ -95,25 +129,19 @@ export function buildRootObject(vatPowers, vatParameters) {
           additionalPowers.priceAuthorityAdmin = priceAuthorityAdmin;
         }
 
-        const pursePetnames = {
-          moola: 'Fun budget',
-          simolean: 'Nest egg',
-        };
-
         const payments = await E(vats.mints).mintInitialPayments(
           issuerNames,
-          harden([1900, 1900]),
+          issuerNames.map(
+            issuerName => issuerNameToRecord.get(issuerName).mintValue,
+          ),
         );
 
-        const paymentInfo = issuerInfo.map(
-          ({ petname: issuerPetname, issuer }, i) => ({
-            issuerPetname,
-            issuer,
-            payment: payments[i],
-            pursePetname:
-              pursePetnames[issuerPetname] || `${issuerPetname} purse`,
-          }),
-        );
+        const paymentInfo = issuerNames.map((issuerName, i) => ({
+          issuer: issuers[i],
+          issuerPetname: issuerName,
+          payment: payments[i],
+          pursePetname: issuerNameToRecord.get(issuerName).pursePetname,
+        }));
 
         const faucet = {
           // A method to reap the spoils of our on-chain provisioning.
diff --git a/packages/cosmic-swingset/lib/ag-solo/vats/vat-mints.js b/packages/cosmic-swingset/lib/ag-solo/vats/vat-mints.js
index 02633209bd6..82e9aaac2ec 100644
--- a/packages/cosmic-swingset/lib/ag-solo/vats/vat-mints.js
+++ b/packages/cosmic-swingset/lib/ag-solo/vats/vat-mints.js
@@ -22,8 +22,11 @@ export function buildRootObject(_vatPowers) {
     getMint: name => mintsAndMath.get(name).mint,
     getMints: issuerNames => issuerNames.map(api.getMint),
     // For example, issuerNameSingular might be 'moola', or 'simolean'
-    makeMintAndIssuer: issuerNameSingular => {
-      const { mint, issuer, amountMath } = makeIssuerKit(issuerNameSingular);
+    makeMintAndIssuer: (issuerNameSingular, ...issuerArgs) => {
+      const { mint, issuer, amountMath } = makeIssuerKit(
+        issuerNameSingular,
+        ...issuerArgs,
+      );
       mintsAndMath.init(issuerNameSingular, { mint, amountMath });
       return issuer;
     },
diff --git a/packages/dapp-svelte-wallet/api/src/lib-wallet.js b/packages/dapp-svelte-wallet/api/src/lib-wallet.js
index 89f5270ec2f..f9131cddb5b 100644
--- a/packages/dapp-svelte-wallet/api/src/lib-wallet.js
+++ b/packages/dapp-svelte-wallet/api/src/lib-wallet.js
@@ -150,6 +150,8 @@ export async function makeWallet({
       // We have a depositId for the purse.
       depositBoardId = brandToDepositFacetId.get(brand);
     }
+
+    const issuerRecord = brandTable.getByBrand(brand);
     /**
      * @type {PursesJSONState}
      */
@@ -158,11 +160,13 @@ export async function makeWallet({
       ...(depositBoardId && { depositBoardId }),
       brandPetname,
       pursePetname,
+      displayInfo: (issuerRecord && issuerRecord.displayInfo),
       value,
       currentAmountSlots: dehydratedCurrentAmount,
       currentAmount: fillInSlots(dehydratedCurrentAmount),
     };
     pursesState.set(purseKey, jstate);
+
     pursesFullState.set(
       purse,
       harden({
@@ -170,9 +174,10 @@ export async function makeWallet({
         purse,
         brand,
         actions: {
-          async send(receiverP, valueToSend) {
+          // Send a value from this purse.
+          async send(receiverP, sendValue) {
             const { amountMath } = brandTable.getByBrand(brand);
-            const amount = amountMath.make(valueToSend);
+            const amount = amountMath.make(sendValue);
             const payment = await E(purse).withdraw(amount);
             try {
               await E(receiverP).receive(payment);
@@ -594,7 +599,11 @@ export async function makeWallet({
             const purse = getPurse(pursePetname);
             purseKeywordRecord[keyword] = purse;
             const brand = purseToBrand.get(purse);
-            const amount = { brand, value };
+            const amount = {
+              brand,
+              value,
+              displayInfo: brandTable.getByBrand(brand).displayInfo,
+            };
             return [keyword, amount];
           },
         ),
@@ -984,8 +993,10 @@ export async function makeWallet({
           } else {
             purse = purseOrPetname;
           }
+          const brandRecord = brandTable.getByBrand(brand);
           paymentRecord = {
             ...paymentRecord,
+            ...brandRecord,
             status: 'pending',
           };
           updatePaymentRecord(paymentRecord);
@@ -995,6 +1006,7 @@ export async function makeWallet({
             ...paymentRecord,
             status: 'deposited',
             depositedAmount,
+            ...brandRecord,
           };
           updatePaymentRecord(paymentRecord);
           depositedPK.resolve(depositedAmount);
diff --git a/packages/dapp-svelte-wallet/api/src/types.js b/packages/dapp-svelte-wallet/api/src/types.js
index 0dd4630744a..89495494886 100644
--- a/packages/dapp-svelte-wallet/api/src/types.js
+++ b/packages/dapp-svelte-wallet/api/src/types.js
@@ -17,6 +17,7 @@
  * @property {string=} depositBoardId
  * @property {Petname} brandPetname
  * @property {Petname} pursePetname
+ * @property {any} displayInfo
  * @property {any} value
  * @property {any} currentAmountSlots
  * @property {any} currentAmount
diff --git a/packages/dapp-svelte-wallet/api/test/test-lib-dehydrate.js b/packages/dapp-svelte-wallet/api/test/test-lib-dehydrate.js
index 2a3ec349e12..08bace20dfb 100644
--- a/packages/dapp-svelte-wallet/api/test/test-lib-dehydrate.js
+++ b/packages/dapp-svelte-wallet/api/test/test-lib-dehydrate.js
@@ -16,11 +16,9 @@ test('makeDehydrator', async t => {
   instanceHandleMapping.addPetname('simpleExchange', handle1);
   instanceHandleMapping.addPetname('atomicSwap', handle2);
   instanceHandleMapping.addPetname('automaticRefund', handle3);
-  console.log(`ERROR EXPECTED 'already has a petname' >>>>`);
   t.throws(() => instanceHandleMapping.addPetname('simpleExchange2', handle1), {
     message: /val \(an object\) already has a petname/,
   });
-  console.log(`ERROR EXPECTED 'petname simpleExchange is already in use' >>>>`);
   t.throws(
     () => instanceHandleMapping.addPetname('simpleExchange', harden({})),
     { message: /petname \(a string\) is already in use/ },
@@ -38,9 +36,6 @@ test('makeDehydrator', async t => {
     handle1,
     `renaming is successful going from val to petname`,
   );
-  console.log(
-    `ERROR EXPECTED 'has not been previously named, would you like to add it instead?' >>>>`,
-  );
   t.throws(
     () => instanceHandleMapping.renamePetname('new value', harden({})),
     {
@@ -75,7 +70,6 @@ test('makeDehydrator', async t => {
     `'to be deleted' present going from val to petname`,
   );
   instanceHandleMapping.deletePetname('to be deleted');
-  console.log(`ERROR EXPECTED '"petname" not found' >>>>`);
   t.throws(
     () => instanceHandleMapping.petnameToVal.get('to be deleted'),
     { message: /"petname" not found/ },
diff --git a/packages/dapp-svelte-wallet/api/test/test-lib-wallet.js b/packages/dapp-svelte-wallet/api/test/test-lib-wallet.js
index 8fda0974a41..06f58db0df3 100644
--- a/packages/dapp-svelte-wallet/api/test/test-lib-wallet.js
+++ b/packages/dapp-svelte-wallet/api/test/test-lib-wallet.js
@@ -169,6 +169,9 @@ test('lib-wallet issuer and purse methods', async t => {
       {
         brandBoardId: '1667979430',
         depositBoardId: '604346717',
+        displayInfo: {
+          amountMathKind: 'set',
+        },
         brandPetname: 'zoe invite',
         pursePetname: 'Default Zoe invite purse',
         value: [],
@@ -185,6 +188,9 @@ test('lib-wallet issuer and purse methods', async t => {
       {
         brandBoardId: '727995140',
         brandPetname: 'moola',
+        displayInfo: {
+          amountMathKind: 'nat',
+        },
         pursePetname: 'fun money',
         value: 0,
         currentAmountSlots: {
@@ -290,6 +296,10 @@ test('lib-wallet dapp suggests issuer, instance, installation petnames', async t
     {
       brandBoardId: '1667979430',
       depositBoardId: '604346717',
+      displayInfo: {
+        amountMathKind: 'set',
+      },
+
       brandPetname: 'zoe invite',
       pursePetname: 'Default Zoe invite purse',
       value: [
@@ -369,6 +379,9 @@ test('lib-wallet dapp suggests issuer, instance, installation petnames', async t
     {
       brandBoardId: '1667979430',
       depositBoardId: '604346717',
+      displayInfo: {
+        amountMathKind: 'set',
+      },
       brandPetname: 'zoe invite',
       pursePetname: 'Default Zoe invite purse',
       value: [
@@ -424,7 +437,6 @@ test('lib-wallet dapp suggests issuer, instance, installation petnames', async t
     `inboxStateChangeLog with names`,
   );
 
-  console.log('EXPECTED ERROR ->>> "petname" not found');
   t.throws(
     () => wallet.getInstallation('whatever'),
     { message: /"petname" not found/ },
@@ -466,6 +478,9 @@ test('lib-wallet dapp suggests issuer, instance, installation petnames', async t
     {
       brandBoardId: '1667979430',
       depositBoardId: '604346717',
+      displayInfo: {
+        amountMathKind: 'set',
+      },
       brandPetname: 'zoe invite',
       pursePetname: 'Default Zoe invite purse',
       value: [
@@ -632,6 +647,9 @@ test('lib-wallet offer methods', async t => {
       brandBoardId: '1667979430',
       depositBoardId: '604346717',
       brandPetname: 'zoe invite',
+      displayInfo: {
+        amountMathKind: 'set',
+      },
       pursePetname: 'Default Zoe invite purse',
       value: [],
       currentAmountSlots: {
@@ -651,6 +669,9 @@ test('lib-wallet offer methods', async t => {
     {
       brandBoardId: '1532665031',
       brandPetname: 'moola',
+      displayInfo: {
+        amountMathKind: 'nat',
+      },
       pursePetname: 'Fun budget',
       value: 100,
       currentAmountSlots: {
diff --git a/packages/dapp-svelte-wallet/ui/package.json b/packages/dapp-svelte-wallet/ui/package.json
index 6a0c81a0248..7f39e7fea05 100644
--- a/packages/dapp-svelte-wallet/ui/package.json
+++ b/packages/dapp-svelte-wallet/ui/package.json
@@ -16,6 +16,7 @@
     "@agoric/captp": "^1.5.2-dev.0",
     "@rollup/plugin-commonjs": "^12.0.0",
     "@rollup/plugin-node-resolve": "^8.0.0",
+    "json5": "^2.1.3",
     "livereload-js": "https://github.com/agoric-labs/livereload-js",
     "rollup": "^2.3.4",
     "rollup-plugin-livereload": "^1.0.0",
@@ -33,5 +34,8 @@
   ],
   "publishConfig": {
     "access": "public"
+  },
+  "dependencies": {
+    "@rollup/plugin-replace": "^2.3.4"
   }
 }
diff --git a/packages/dapp-svelte-wallet/ui/rollup.config.js b/packages/dapp-svelte-wallet/ui/rollup.config.js
index 9a8ed3ae40e..c4108848abc 100644
--- a/packages/dapp-svelte-wallet/ui/rollup.config.js
+++ b/packages/dapp-svelte-wallet/ui/rollup.config.js
@@ -1,6 +1,7 @@
 import svelte from 'rollup-plugin-svelte';
 import resolve from '@rollup/plugin-node-resolve';
 import commonjs from '@rollup/plugin-commonjs';
+import replace from '@rollup/plugin-replace';
 import livereload from 'rollup-plugin-livereload';
 import { terser } from 'rollup-plugin-terser';
 import smelte from 'smelte/rollup-plugin-smelte';
@@ -37,6 +38,9 @@ export default {
     file: 'public/wallet/build/bundle.js'
   },
   plugins: [
+    replace({
+      isProduction: production,
+    }),
     svelte({
       // enable run-time checks when not in production
       dev: !production,
diff --git a/packages/dapp-svelte-wallet/ui/src/Amount.svelte b/packages/dapp-svelte-wallet/ui/src/Amount.svelte
index 95cc31e2328..db63121b792 100644
--- a/packages/dapp-svelte-wallet/ui/src/Amount.svelte
+++ b/packages/dapp-svelte-wallet/ui/src/Amount.svelte
@@ -1,13 +1,14 @@
 <script>
   import Petname from "./Petname.svelte";
-  import Debug from "../lib/Debug.svelte";
   import Tooltip from "smelte/src/components/Tooltip";
+  import { stringifyValue } from './display';
 
   export let amount;
+  export let displayInfo;
 
   // The amount gets updated. Make this dynamic
   $: ({ brand, value } = amount);
-  const cardinality = v => typeof v === 'number' ? v : v.length;
+  const stringify = v => stringifyValue(v, displayInfo);
 </script>
 
 <style>
@@ -23,7 +24,7 @@
       <div slot="activator">
         <b class="dotted-underline">
           {value.length}
-          <Petname name={brand.petname} plural={value.length !== 1} />
+          <Petname name={brand.petname} />
         </b>
       </div>
       {#if brand.petname === 'zoe invite'}
@@ -37,8 +38,8 @@
     </Tooltip>
   {:else}
     <b>
-      {cardinality(value)}
-      <Petname name={brand.petname} plural={cardinality(value) !== 1} />
+      {stringify(value)}
+      <Petname name={brand.petname} />
     </b>
   {/if}
 
diff --git a/packages/dapp-svelte-wallet/ui/src/Payment.svelte b/packages/dapp-svelte-wallet/ui/src/Payment.svelte
index e7e4dac6430..71aa2c64b45 100644
--- a/packages/dapp-svelte-wallet/ui/src/Payment.svelte
+++ b/packages/dapp-svelte-wallet/ui/src/Payment.svelte
@@ -31,7 +31,7 @@ import Select from "smelte/src/components/Select/Select.svelte";
   <div>
     {#if item.status === 'deposited'}
       {#if summary}
-        Deposited <Amount amount={item.displayPayment.depositedAmount} />
+        Deposited <Amount amount={item.displayPayment.depositedAmount} displayInfo={item.displayPayment.displayInfo} />
       {/if}
     {:else if item.issuer}
       {#if summary}
@@ -39,7 +39,7 @@ import Select from "smelte/src/components/Select/Select.svelte";
         Payment amount
         {/if}
         {#if item.lastAmount && (!summaryLine || summaryLine === 2)}
-          <Amount amount={item.displayPayment.lastAmount} />
+          <Amount amount={item.displayPayment.lastAmount} displayInfo={item.displayPayment.displayInfo}  />
         {/if}
       {/if}
     
diff --git a/packages/dapp-svelte-wallet/ui/src/Purse.svelte b/packages/dapp-svelte-wallet/ui/src/Purse.svelte
index 4c15f5a2b0e..9beeea92dd0 100644
--- a/packages/dapp-svelte-wallet/ui/src/Purse.svelte
+++ b/packages/dapp-svelte-wallet/ui/src/Purse.svelte
@@ -33,7 +33,7 @@ export let details = true;
       <Petname name={item.pursePetname} />
     {/if}
     {#if !summaryLine || summaryLine === 2}
-      <Amount amount={item.currentAmount} />
+      <Amount amount={item.currentAmount} displayInfo={item.displayInfo} />
     {/if}
   </div>
   {/if}
diff --git a/packages/dapp-svelte-wallet/ui/src/Transaction.svelte b/packages/dapp-svelte-wallet/ui/src/Transaction.svelte
index 8b8b3b37bf0..01db89e3d15 100644
--- a/packages/dapp-svelte-wallet/ui/src/Transaction.svelte
+++ b/packages/dapp-svelte-wallet/ui/src/Transaction.svelte
@@ -99,16 +99,16 @@
 	<Debug title="Offer Detail" target={item} />
   </div>
   <div>
-    {#each Object.entries(give) as [role, { amount, pursePetname }], i}
+    {#each Object.entries(give) as [role, { amount, displayInfo, pursePetname }], i}
       <div>
         <h6>Give</h6>
-        <Amount {amount} /> from <Petname name={pursePetname} />
+        <Amount {amount} /> from <Petname name={pursePetname} {displayInfo} />
       </div>
     {/each}
-    {#each Object.entries(want) as [role, { amount, pursePetname }], i}
+    {#each Object.entries(want) as [role, { amount, displayInfo, pursePetname }], i}
       <div>
         <h6>Want</h6>
-        <Amount {amount} /> into <Petname name={pursePetname} />
+        <Amount {amount} /> into <Petname name={pursePetname} {displayInfo} />
       </div>
     {/each}
   </div> 
diff --git a/packages/dapp-svelte-wallet/ui/src/Transfer.svelte b/packages/dapp-svelte-wallet/ui/src/Transfer.svelte
index f92750078bd..7a83a5aade4 100644
--- a/packages/dapp-svelte-wallet/ui/src/Transfer.svelte
+++ b/packages/dapp-svelte-wallet/ui/src/Transfer.svelte
@@ -8,14 +8,13 @@
   import Button from "smelte/src/components/Button";
   import Dialog from "smelte/src/components/Dialog";
   import TextField from 'smelte/src/components/TextField';
+  import { RadioButton } from "smelte/src/components/RadioButton";
+  import Select from 'smelte/src/components/Select';
 
   import { contacts, purses } from './store';
   import DefaultButton from "../lib/DefaultButton.svelte";
   import CancelButton from "../lib/CancelButton.svelte";
-  import { RadioButton } from "smelte/src/components/RadioButton";
-  import Select from 'smelte/src/components/Select';
-
-  import { selfContact } from './store';
+  import { parseValue } from './display';
 
   export let source;
 
@@ -23,15 +22,15 @@
   const title = `Transfer from ${source.pursePetname}`;
   let showModal = false;
   let ownPurse = true;
-  let valueJSON = "0";
+  let valueStr = "0";
   let toPurse = source;
   let toContact = undefined;
 
   const send = async destination => {
     try {
-      const value = JSON.parse(valueJSON);
+      const parsed = parseValue(valueStr, source.displayInfo);
       showModal = false;
-      await E(source.actions).send(destination.actions, value);
+      await E(source.actions).send(destination.actions, parsed);
     } catch (e) {
       alert(`Cannot send: ${e}`);
     }
@@ -48,8 +47,8 @@
 </div>
 <Dialog bind:value={showModal}>
   <h2 slot="title">{title}</h2>
-  Current balance: <Amount amount={source.currentAmount} />
-  <TextField bind:value={valueJSON} label="Send amount" />
+  Current balance: <Amount amount={source.currentAmount} displayInfo={source.displayInfo} />
+  <TextField bind:value={valueStr} label="Send amount" />
 
   <table>
     <tr>
diff --git a/packages/dapp-svelte-wallet/ui/src/display.js b/packages/dapp-svelte-wallet/ui/src/display.js
new file mode 100644
index 00000000000..90726fa43ef
--- /dev/null
+++ b/packages/dapp-svelte-wallet/ui/src/display.js
@@ -0,0 +1,93 @@
+// @ts-check
+import JSON5 from 'json5';
+import { assert, details } from '@agoric/assert';
+import { MathKind } from '@agoric/ertp';
+
+const CONVENTIONAL_DECIMAL_PLACES = 2;
+
+/**
+ * @typedef {{ amountMathKind?: AmountMathKind } & DisplayInfo} AmountDisplayInfo
+ */
+
+/**
+ * 
+ * @param {string} str 
+ * @param {AmountDisplayInfo} displayInfo 
+ */
+export function parseValue(str, displayInfo) {
+  const { amountMathKind = MathKind.NAT, decimalPlaces = 0 } = displayInfo || {};
+
+  assert.typeof(
+    str,
+    'string',
+    details`valueString ${str} is not a string`,
+  );
+
+  if (amountMathKind !== MathKind.NAT) {
+    // Punt to JSON5 parsing.
+    return JSON5.parse(str);
+  }
+
+  // Parse the string as a number.
+  const match = str.match(/^0*(\d+)(\.(\d*[1-9])?0*)?$/);
+  assert(
+    match,
+    details`${str} must be a non-negative decimal number`,
+  );
+
+  const unitstr = match[1];
+  const dec0str = match[3] || '';
+  const dec0str0 = dec0str.padEnd(decimalPlaces, '0');
+  assert(
+    dec0str0.length <= decimalPlaces,
+    details`${str} exceeds ${decimalPlaces} decimal places`,
+  );
+
+  return parseInt(`${unitstr}${dec0str0}`, 10);
+}
+
+/**
+ * 
+ * @param {any} value 
+ * @param {AmountDisplayInfo} [displayInfo]
+ * @returns {string}
+ */
+export function stringifyValue(value, displayInfo = undefined) {
+  const { amountMathKind = MathKind.NAT, decimalPlaces = 0 } = displayInfo || {};
+  
+  if (amountMathKind !== MathKind.NAT) {
+    // Just return the size of the set.
+    return `${value.length}`;
+  }
+
+  const bValue = BigInt(value);
+  if (!decimalPlaces) {
+    // Nothing else to do.
+    return `${bValue}`;
+  }
+
+  const bScale = BigInt(10) ** BigInt(decimalPlaces);
+
+  // Take integer division of the value by the scale.
+  const unitstr = `${bValue / bScale}`;
+
+  // Find the remainder of the value divided by the scale.
+  const bDecimals = BigInt(bValue % bScale)
+
+  // Create the decimal string.
+  const decstr = `${bDecimals}`
+    // Convert 100 to '0000100'.
+    .padStart(decimalPlaces, '0')
+    // Trim off trailing zeros.
+    .replace(/0+$/, '')
+    // Ensure we have at least CONVENTIONAL_DECIMAL_PLACES.
+    .padEnd(CONVENTIONAL_DECIMAL_PLACES, '0');
+
+  if (!decstr) {
+    // No decimals to display.
+    return `${unitstr}`;
+  }
+
+  // Display a decimal point with the units and decimals.
+  return `${unitstr}.${decstr}`;
+}
diff --git a/packages/dapp-svelte-wallet/ui/src/store.js b/packages/dapp-svelte-wallet/ui/src/store.js
index a0420f670d8..d7d5a5a8f47 100644
--- a/packages/dapp-svelte-wallet/ui/src/store.js
+++ b/packages/dapp-svelte-wallet/ui/src/store.js
@@ -7,12 +7,14 @@ import { makeCapTPConnection } from './captp';
 
 // Fetch the access token from the window's URL.
 const accessTokenParams = `?${window.location.hash.slice(1)}`;
-// Now that we've captured it, clear out the access token from the URL bar.
-window.location.hash = '';
-window.addEventListener('hashchange', _ev => {
-  // Keep it clear.
+if (isProduction) {
+  // Now that we've captured it, clear out the access token from the URL bar.
   window.location.hash = '';
-});
+  window.addEventListener('hashchange', _ev => {
+    // Keep it clear.
+    window.location.hash = '';
+  });
+}
 const hasAccessToken = new URLSearchParams(accessTokenParams).has(
   'accessToken',
 );
diff --git a/packages/zoe/src/issuerTable.js b/packages/zoe/src/issuerTable.js
index f73d1a29933..a7f8370dccf 100644
--- a/packages/zoe/src/issuerTable.js
+++ b/packages/zoe/src/issuerTable.js
@@ -38,18 +38,21 @@ const makeIssuerTable = () => {
     initIssuer: async issuerP => {
       const brandP = E(issuerP).getBrand();
       const brandIssuerMatchP = E(brandP).isMyIssuer(issuerP);
+      const displayInfoP = E(brandP).getDisplayInfo();
       const amountMathKindP = E(issuerP).getAmountMathKind();
-      /** @type {[Issuer,Brand,boolean,AmountMathKind]} */
+      /** @type {[Issuer,Brand,boolean,AmountMathKind,any]} */
       const [
         issuer,
         brand,
         brandIssuerMatch,
         amountMathKind,
+        displayInfo,
       ] = await Promise.all([
         issuerP,
         brandP,
         brandIssuerMatchP,
         amountMathKindP,
+        displayInfoP,
       ]);
       // AWAIT /////
 
@@ -61,7 +64,12 @@ const makeIssuerTable = () => {
         `issuer was using a brand which was not its own`,
       );
       const amountMath = makeAmountMath(brand, amountMathKind);
-      issuerTable.initIssuerByRecord({ brand, issuer, amountMath });
+      issuerTable.initIssuerByRecord({
+        brand,
+        issuer,
+        amountMath,
+        displayInfo: { ...displayInfo, amountMathKind },
+      });
       return issuerTable.getByBrand(brand);
     },
     initIssuerByRecord: issuerRecord => {
diff --git a/packages/zoe/src/types.js b/packages/zoe/src/types.js
index c128875f6b8..8ceede2a2ba 100644
--- a/packages/zoe/src/types.js
+++ b/packages/zoe/src/types.js
@@ -37,6 +37,7 @@
  * @property {Brand} brand
  * @property {Issuer} issuer
  * @property {AmountMath} amountMath
+ * @property {any} [displayInfo]
  *
  * @typedef {AmountKeywordRecord} Allocation
  * @typedef {Record<Keyword,AmountMath>} AmountMathKeywordRecord
diff --git a/yarn.lock b/yarn.lock
index cb008086387..ed5c94ff21e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1348,6 +1348,14 @@
     is-module "^1.0.0"
     resolve "^1.17.0"
 
+"@rollup/plugin-replace@^2.3.4":
+  version "2.3.4"
+  resolved "https://registry.yarnpkg.com/@rollup/plugin-replace/-/plugin-replace-2.3.4.tgz#7dd84c17755d62b509577f2db37eb524d7ca88ca"
+  integrity sha512-waBhMzyAtjCL1GwZes2jaE9MjuQ/DQF2BatH3fRivUF3z0JBFrU0U6iBNC/4WR+2rLKhaAhPWDNPYp4mI6RqdQ==
+  dependencies:
+    "@rollup/pluginutils" "^3.1.0"
+    magic-string "^0.25.7"
+
 "@rollup/pluginutils@^3.0.0", "@rollup/pluginutils@^3.0.6":
   version "3.0.8"
   resolved "https://registry.yarnpkg.com/@rollup/pluginutils/-/pluginutils-3.0.8.tgz#4e94d128d94b90699e517ef045422960d18c8fde"
@@ -5874,7 +5882,7 @@ json5@^2.1.0:
   dependencies:
     minimist "^1.2.0"
 
-json5@^2.1.2:
+json5@^2.1.2, json5@^2.1.3:
   version "2.1.3"
   resolved "https://registry.yarnpkg.com/json5/-/json5-2.1.3.tgz#c9b0f7fa9233bfe5807fe66fcf3a5617ed597d43"
   integrity sha512-KXPvOm8K9IJKFM0bmdn8QXh7udDh1g/giieX0NLCaMnb4hEiVFqnop2ImTXCc5e0/oHz3LTqmHGtExn5hfMkOA==
@@ -6237,6 +6245,13 @@ magic-string@^0.25.2:
   dependencies:
     sourcemap-codec "^1.4.4"
 
+magic-string@^0.25.7:
+  version "0.25.7"
+  resolved "https://registry.yarnpkg.com/magic-string/-/magic-string-0.25.7.tgz#3f497d6fd34c669c6798dcb821f2ef31f5445051"
+  integrity sha512-4CrMT5DOHTDk4HYDlzmwu4FVCcIYI8gauveasrdCu2IKIFOJ3f0v/8MDGJCDL9oD2ppz/Av1b0Nj345H9M+XIA==
+  dependencies:
+    sourcemap-codec "^1.4.4"
+
 make-dir@^1.0.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-1.3.0.tgz#79c1033b80515bd6d24ec9933e860ca75ee27f0c"