diff --git a/packages/builder/src/util.ts b/packages/builder/src/util.ts
index 06d73d2cf..734df98ae 100644
--- a/packages/builder/src/util.ts
+++ b/packages/builder/src/util.ts
@@ -36,7 +36,7 @@ export async function getExecutionSigner(
   const address = ('0x' + hash.slice(0, 40)) as viem.Address;
 
   await provider.impersonateAccount({ address });
-  await provider.setBalance({ address, value: BigInt(1e22) });
+  await provider.setBalance({ address, value: viem.parseEther('10000') });
 
   const client = viem.createWalletClient({
     account: address,
diff --git a/packages/cli/src/commands/alter.ts b/packages/cli/src/commands/alter.ts
index bcd5ea3c7..384fe4e7c 100644
--- a/packages/cli/src/commands/alter.ts
+++ b/packages/cli/src/commands/alter.ts
@@ -65,7 +65,7 @@ export async function alter(
       async getSigner(addr: viem.Address) {
         // on test network any user can be conjured
         //await provider.impersonateAccount({ address: addr });
-        //await provider.setBalance({ address: addr, value: BigInt(1e22) });
+        //await provider.setBalance({ address: addr, value: viem.parseEther('10000') });
         return { address: addr, wallet: provider as viem.WalletClient };
       },
       snapshots: false,
diff --git a/packages/cli/src/commands/build.ts b/packages/cli/src/commands/build.ts
index c83087f88..39e9d92d9 100644
--- a/packages/cli/src/commands/build.ts
+++ b/packages/cli/src/commands/build.ts
@@ -132,7 +132,7 @@ export async function build({
       async function (addr: viem.Address) {
         // on test network any user can be conjured
         await (provider as unknown as viem.TestClient).impersonateAccount({ address: addr });
-        await (provider as unknown as viem.TestClient).setBalance({ address: addr, value: BigInt(1e22) });
+        await (provider as unknown as viem.TestClient).setBalance({ address: addr, value: viem.parseEther('10000') });
 
         return {
           address: addr,
diff --git a/packages/cli/src/commands/run.ts b/packages/cli/src/commands/run.ts
index 6322c9f27..3a9fefdfc 100644
--- a/packages/cli/src/commands/run.ts
+++ b/packages/cli/src/commands/run.ts
@@ -57,12 +57,13 @@ export async function run(packages: PackageSpecification[], options: RunOptions)
 
   // Start the rpc server
   const node = options.node;
+
   const provider = getProvider(node)!;
   const nodeLogging = await createLoggingInterface(node);
 
   if (options.fundAddresses && options.fundAddresses.length) {
     for (const fundAddress of options.fundAddresses) {
-      await provider?.setBalance({ address: fundAddress as viem.Address, value: BigInt(1e22) });
+      await provider?.setBalance({ address: fundAddress as viem.Address, value: viem.parseEther('10000') });
     }
   }
 
@@ -76,11 +77,12 @@ export async function run(packages: PackageSpecification[], options: RunOptions)
   // set up signers
   for (const addr of (options.impersonate || '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266').split(',')) {
     await provider.impersonateAccount({ address: addr as viem.Address });
-    await provider.setBalance({ address: addr as viem.Address, value: BigInt(1e22) });
+    await provider.setBalance({ address: addr as viem.Address, value: viem.parseEther('10000') });
     signers = [{ address: addr as viem.Address, wallet: provider }];
   }
 
   const chainId = await provider.getChainId();
+
   const basicRuntime = new ChainBuilderRuntime(
     {
       provider: provider,
@@ -88,7 +90,7 @@ export async function run(packages: PackageSpecification[], options: RunOptions)
       async getSigner(addr: viem.Address) {
         // on test network any user can be conjured
         await provider.impersonateAccount({ address: addr });
-        await provider.setBalance({ address: addr, value: BigInt(1e22) });
+        await provider.setBalance({ address: addr, value: viem.parseEther('10000') });
         return { address: addr, wallet: provider };
       },
       snapshots: chainId === CANNON_CHAIN_ID,
diff --git a/packages/cli/src/commandsConfig.ts b/packages/cli/src/commandsConfig.ts
index 24ae8c8b6..1834a9eab 100644
--- a/packages/cli/src/commandsConfig.ts
+++ b/packages/cli/src/commandsConfig.ts
@@ -636,7 +636,6 @@ const commandsConfig = {
       {
         flags: '-c --chain-id <chainId>',
         description: 'Chain ID of deployment to interact with ',
-        required: true,
       },
       {
         flags: '-n --provider-url [url]',
diff --git a/packages/cli/src/index.ts b/packages/cli/src/index.ts
index 230ad5ab2..6bfe75975 100644
--- a/packages/cli/src/index.ts
+++ b/packages/cli/src/index.ts
@@ -155,6 +155,10 @@ function configureRun(program: Command) {
         forkProvider: provider,
       });
     } else {
+      if (options.providerUrl) {
+        const _provider = viem.createPublicClient({ transport: viem.http(options.providerUrl) });
+        options.chainId = await _provider.getChainId();
+      }
       node = await runRpc(pickAnvilOptions(options));
     }
 
@@ -516,17 +520,28 @@ applyCommandsConfig(program.command('interact'), commandsConfig.interact).action
 ) {
   const cliSettings = resolveCliSettings(opts);
 
-  let chainId = opts.chainId;
+  let chainId: number | undefined = opts.chainId ? Number(opts.chainId) : undefined;
 
-  // throw an error if the chainId is not consistent with the provider's chainId
-  await ensureChainIdConsistency(opts.providerUrl, chainId);
+  const isProviderUrl = cliSettings.providerUrl.startsWith('http');
 
-  const { provider, signers } = await resolveWriteProvider(cliSettings, chainId);
+  // throw an error if both chainId and providerUrl are not provided
+  if (!chainId && !isProviderUrl) {
+    throw new Error('Please provide one of the following options: --chain-id or --provider-url');
+  }
 
+  // if chainId is not provided, get it from the provider
   if (!chainId) {
-    chainId = await provider.getChainId();
+    const _provider = viem.createPublicClient({ transport: viem.http(cliSettings.providerUrl) });
+    chainId = await _provider.getChainId();
   }
 
+  // throw an error if the chainId is not consistent with the provider's chainId
+  if (isProviderUrl) {
+    await ensureChainIdConsistency(cliSettings.providerUrl, chainId);
+  }
+
+  const { provider, signers } = await resolveWriteProvider(cliSettings, chainId);
+
   const resolver = await createDefaultReadRegistry(cliSettings);
 
   const [name, version] = [packageDefinition.name, packageDefinition.version];
@@ -553,7 +568,7 @@ applyCommandsConfig(program.command('interact'), commandsConfig.interact).action
       async getSigner(address: viem.Address) {
         // on test network any user can be conjured
         //await p.provider.impersonateAccount({ address: addr });
-        //await p.provider.setBalance({ address: addr, value: BigInt(1e22) });
+        //await p.provider.setBalance({ address: addr, value: viem.parseEther('10000') });
         return { address: address, wallet: provider };
       },
       snapshots: false,
diff --git a/packages/cli/src/util/build.ts b/packages/cli/src/util/build.ts
index 4e3d1b95e..1c25135d3 100644
--- a/packages/cli/src/util/build.ts
+++ b/packages/cli/src/util/build.ts
@@ -179,7 +179,7 @@ async function configureSigners(
     getDefaultSigner = async () => {
       const addr = signers && signers.length > 0 ? signers[0].address : '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266';
       await provider.impersonateAccount({ address: addr });
-      await provider.setBalance({ address: addr, value: BigInt(1e22) });
+      await provider.setBalance({ address: addr, value: viem.parseEther('10000') });
       return { address: addr, wallet: provider };
     };
   } else {
diff --git a/packages/hardhat-cannon/src/tasks/build.ts b/packages/hardhat-cannon/src/tasks/build.ts
index b0b85a60b..22b399a6e 100644
--- a/packages/hardhat-cannon/src/tasks/build.ts
+++ b/packages/hardhat-cannon/src/tasks/build.ts
@@ -136,7 +136,7 @@ task(TASK_BUILD, 'Assemble a defined chain and save it to to a state which can b
       if (hre.network.name !== 'cannon') {
         if (impersonate) {
           await provider.impersonateAccount({ address: impersonate });
-          await provider.setBalance({ address: impersonate, value: BigInt(1e22) });
+          await provider.setBalance({ address: impersonate, value: viem.parseEther('10000') });
           defaultSigner = getSigner(impersonate) || null;
           // Add the impersonated signer if it is not part of the hardhat config
           if (!defaultSigner) {