diff --git a/.env.example b/.env.example
index ebfca42..9927aed 100644
--- a/.env.example
+++ b/.env.example
@@ -39,6 +39,7 @@ BLAST_RPC=
 MODE_RPC=
 MANTLE_RPC=
 MEGAETH_RPC=
+RISE_RPC=
 GNOSIS_RPC=
 SONIC_RPC=
 UNICHAIN_RPC=
@@ -81,6 +82,7 @@ WORLDCHAIN_ETHERSCAN_KEY=
 SEI_ETHERSCAN_KEY=
 SONEIUM_ETHERSCAN_KEY=
 MEGAETH_ETHERSCAN_KEY=
+RISE_ETHERSCAN_KEY=             # optional; RISE Blockscout does not require a key
 PLUME_ETHERSCAN_KEY=
 ETHEREAL_ETHERSCAN_KEY=
 KATANA_ETHERSCAN_KEY=
diff --git a/deployments.csv b/deployments.csv
index f131bce..2f6f57c 100644
--- a/deployments.csv
+++ b/deployments.csv
@@ -11,6 +11,7 @@ chainId,variant,allowanceHolderAddress,allowanceHolderSalt,allowanceHolderSaltTe
 999,cancun,0x50c4E75a512F2A14A7b304787Adf79C4531A5909,0xa450483209637d11f92238066a6b1f405ae093536f02dda3b90a36d36f180570,AllowanceHolder50c4e7:5981577,0xe0afa70daed24ec949499638683365cbe4cbf097a1c8417a730e4b497cfb4610,0x0be5794255d21df0f4a10a516428f8d06805779d69b1714297bebcc18971e0b4,0x50cFe7c1938dB66A1a6D2e86D36F39FBef3d5c4a,0x4c57cf418d2865efb93a3c31021f230798eaca0458d188fbb593e329718139ab,OpenRouter50cfe7:4030514,0x0e5ff42eb7810767de756c833a042818f95052b885634a3dc3adb679a4652f48,0xd1dbc2c8ca87939cadf58e4eb91832cbe44bd5d12e3a0a0d56c76928a818e26b,0x8A774c1B73998A54ff09341f3cfF8A0010BbA7f1,0xeb8d08957ffb6da6c84ab1f89e95f4e08331fa81834e21d00754af20ec74d453,BungeeReceiver,0x1e4cf28950cc422f6b2112db77b8c0b0025c176291f984166889b8157de9dfe6,0x3e3fdfa261d7f00f53c22b4ba051f0da1903402669591bcef63d51ebe3085108,0xC914815120FA5A7e05748398C9fDf1d1b2729008,0x7c3bbaa3e26afa737955bd8665389dae8745dd537430122c9545abb09f85e34b,CalldataExecutor,0x2ac2791e955dbd2e9787486e2a4a9ba669d27cb1b642ade54a1221a5ccd53b64,0x037de760dbd500210ed5c68706a16171ec415563c6136e52d6a9930a5f53e32a
 1329,cancun,0x50c4E75a512F2A14A7b304787Adf79C4531A5909,0xa450483209637d11f92238066a6b1f405ae093536f02dda3b90a36d36f180570,AllowanceHolder50c4e7:5981577,0xe0afa70daed24ec949499638683365cbe4cbf097a1c8417a730e4b497cfb4610,0x0be5794255d21df0f4a10a516428f8d06805779d69b1714297bebcc18971e0b4,0x50cFe7c1938dB66A1a6D2e86D36F39FBef3d5c4a,0x4c57cf418d2865efb93a3c31021f230798eaca0458d188fbb593e329718139ab,OpenRouter50cfe7:4030514,0x0e5ff42eb7810767de756c833a042818f95052b885634a3dc3adb679a4652f48,0xd1dbc2c8ca87939cadf58e4eb91832cbe44bd5d12e3a0a0d56c76928a818e26b,0x8A774c1B73998A54ff09341f3cfF8A0010BbA7f1,0xeb8d08957ffb6da6c84ab1f89e95f4e08331fa81834e21d00754af20ec74d453,BungeeReceiver,0x1e4cf28950cc422f6b2112db77b8c0b0025c176291f984166889b8157de9dfe6,0x3e3fdfa261d7f00f53c22b4ba051f0da1903402669591bcef63d51ebe3085108,0xC914815120FA5A7e05748398C9fDf1d1b2729008,0x7c3bbaa3e26afa737955bd8665389dae8745dd537430122c9545abb09f85e34b,CalldataExecutor,0x2ac2791e955dbd2e9787486e2a4a9ba669d27cb1b642ade54a1221a5ccd53b64,0x037de760dbd500210ed5c68706a16171ec415563c6136e52d6a9930a5f53e32a
 1868,cancun,0x50c4E75a512F2A14A7b304787Adf79C4531A5909,0xa450483209637d11f92238066a6b1f405ae093536f02dda3b90a36d36f180570,AllowanceHolder50c4e7:5981577,0xe0afa70daed24ec949499638683365cbe4cbf097a1c8417a730e4b497cfb4610,0x0be5794255d21df0f4a10a516428f8d06805779d69b1714297bebcc18971e0b4,0x50cFe7c1938dB66A1a6D2e86D36F39FBef3d5c4a,0x4c57cf418d2865efb93a3c31021f230798eaca0458d188fbb593e329718139ab,OpenRouter50cfe7:4030514,0x0e5ff42eb7810767de756c833a042818f95052b885634a3dc3adb679a4652f48,0xd1dbc2c8ca87939cadf58e4eb91832cbe44bd5d12e3a0a0d56c76928a818e26b,0x8A774c1B73998A54ff09341f3cfF8A0010BbA7f1,0xeb8d08957ffb6da6c84ab1f89e95f4e08331fa81834e21d00754af20ec74d453,BungeeReceiver,0x1e4cf28950cc422f6b2112db77b8c0b0025c176291f984166889b8157de9dfe6,0x3e3fdfa261d7f00f53c22b4ba051f0da1903402669591bcef63d51ebe3085108,0xC914815120FA5A7e05748398C9fDf1d1b2729008,0x7c3bbaa3e26afa737955bd8665389dae8745dd537430122c9545abb09f85e34b,CalldataExecutor,0x2ac2791e955dbd2e9787486e2a4a9ba669d27cb1b642ade54a1221a5ccd53b64,0x037de760dbd500210ed5c68706a16171ec415563c6136e52d6a9930a5f53e32a
+4153,cancun,0x50c4E75a512F2A14A7b304787Adf79C4531A5909,0xa450483209637d11f92238066a6b1f405ae093536f02dda3b90a36d36f180570,AllowanceHolder50c4e7:5981577,0x7b4c1230f4398f130d0763a180f21f0dbcae086cbd4a52746c4374a8d5620165,0x1919e6d868d2cc2e7de33d97a656149d47f37b87d0eea3f07a6a404663746d4f,0x50cFe7c1938dB66A1a6D2e86D36F39FBef3d5c4a,0x4c57cf418d2865efb93a3c31021f230798eaca0458d188fbb593e329718139ab,OpenRouter50cfe7:4030514,0x0e5ff42eb7810767de756c833a042818f95052b885634a3dc3adb679a4652f48,0xd1dbc2c8ca87939cadf58e4eb91832cbe44bd5d12e3a0a0d56c76928a818e26b,0x8A774c1B73998A54ff09341f3cfF8A0010BbA7f1,0xeb8d08957ffb6da6c84ab1f89e95f4e08331fa81834e21d00754af20ec74d453,BungeeReceiver,0x8c61bf68799b5897057a153c134492e43faa90a4caa0d9ce5d1016e4dec6ae5e,0x3e3fdfa261d7f00f53c22b4ba051f0da1903402669591bcef63d51ebe3085108,0xC914815120FA5A7e05748398C9fDf1d1b2729008,0x7c3bbaa3e26afa737955bd8665389dae8745dd537430122c9545abb09f85e34b,CalldataExecutor,0x2ac2791e955dbd2e9787486e2a4a9ba669d27cb1b642ade54a1221a5ccd53b64,0x037de760dbd500210ed5c68706a16171ec415563c6136e52d6a9930a5f53e32a
 4217,cancun,0x50c4E75a512F2A14A7b304787Adf79C4531A5909,0xa450483209637d11f92238066a6b1f405ae093536f02dda3b90a36d36f180570,AllowanceHolder50c4e7:5981577,0xe0afa70daed24ec949499638683365cbe4cbf097a1c8417a730e4b497cfb4610,0x0be5794255d21df0f4a10a516428f8d06805779d69b1714297bebcc18971e0b4,,,,,,,,,,,,,,,
 4326,cancun,0x50c4E75a512F2A14A7b304787Adf79C4531A5909,0xa450483209637d11f92238066a6b1f405ae093536f02dda3b90a36d36f180570,AllowanceHolder50c4e7:5981577,0xe0afa70daed24ec949499638683365cbe4cbf097a1c8417a730e4b497cfb4610,0x0be5794255d21df0f4a10a516428f8d06805779d69b1714297bebcc18971e0b4,0x50cFe7c1938dB66A1a6D2e86D36F39FBef3d5c4a,0x4c57cf418d2865efb93a3c31021f230798eaca0458d188fbb593e329718139ab,OpenRouter50cfe7:4030514,0x0e5ff42eb7810767de756c833a042818f95052b885634a3dc3adb679a4652f48,0xd1dbc2c8ca87939cadf58e4eb91832cbe44bd5d12e3a0a0d56c76928a818e26b,0x8A774c1B73998A54ff09341f3cfF8A0010BbA7f1,0xeb8d08957ffb6da6c84ab1f89e95f4e08331fa81834e21d00754af20ec74d453,BungeeReceiver,0x1e4cf28950cc422f6b2112db77b8c0b0025c176291f984166889b8157de9dfe6,0x3e3fdfa261d7f00f53c22b4ba051f0da1903402669591bcef63d51ebe3085108,0xC914815120FA5A7e05748398C9fDf1d1b2729008,0x7c3bbaa3e26afa737955bd8665389dae8745dd537430122c9545abb09f85e34b,CalldataExecutor,0x2ac2791e955dbd2e9787486e2a4a9ba669d27cb1b642ade54a1221a5ccd53b64,0x037de760dbd500210ed5c68706a16171ec415563c6136e52d6a9930a5f53e32a
 4663,cancun,0x50c4E75a512F2A14A7b304787Adf79C4531A5909,0xa450483209637d11f92238066a6b1f405ae093536f02dda3b90a36d36f180570,AllowanceHolder50c4e7:5981577,0xe0afa70daed24ec949499638683365cbe4cbf097a1c8417a730e4b497cfb4610,0x0be5794255d21df0f4a10a516428f8d06805779d69b1714297bebcc18971e0b4,0x50cFe7c1938dB66A1a6D2e86D36F39FBef3d5c4a,0x4c57cf418d2865efb93a3c31021f230798eaca0458d188fbb593e329718139ab,OpenRouter50cfe7:4030514,0x0e5ff42eb7810767de756c833a042818f95052b885634a3dc3adb679a4652f48,0xd1dbc2c8ca87939cadf58e4eb91832cbe44bd5d12e3a0a0d56c76928a818e26b,0x8A774c1B73998A54ff09341f3cfF8A0010BbA7f1,0xeb8d08957ffb6da6c84ab1f89e95f4e08331fa81834e21d00754af20ec74d453,BungeeReceiver,0x1e4cf28950cc422f6b2112db77b8c0b0025c176291f984166889b8157de9dfe6,0x3e3fdfa261d7f00f53c22b4ba051f0da1903402669591bcef63d51ebe3085108,0xC914815120FA5A7e05748398C9fDf1d1b2729008,0x7c3bbaa3e26afa737955bd8665389dae8745dd537430122c9545abb09f85e34b,CalldataExecutor,0x2ac2791e955dbd2e9787486e2a4a9ba669d27cb1b642ade54a1221a5ccd53b64,0x037de760dbd500210ed5c68706a16171ec415563c6136e52d6a9930a5f53e32a
diff --git a/deployments/prod/addresses/rise.json b/deployments/prod/addresses/rise.json
new file mode 100644
index 0000000..68c28d7
--- /dev/null
+++ b/deployments/prod/addresses/rise.json
@@ -0,0 +1,5 @@
+{
+  "RFQVaultExecutor": "0x97caca78ac2a94c67643d07843f85afaa44a3ea5",
+  "AcrossERC20AmountManipulator": "0x05481b7163c376ab4cb0ebc7d17f2cf7651042ee",
+  "MathManipulator": "0x3c3d4F3D636C06bcEb3bCc71EafE36486Ef40581"
+}
diff --git a/hardhat.config.ts b/hardhat.config.ts
index 40cbbb8..61f2ed8 100644
--- a/hardhat.config.ts
+++ b/hardhat.config.ts
@@ -146,6 +146,11 @@ const config: HardhatUserConfig = {
       chainId: 4326,
       accounts,
     },
+    rise: {
+      url: process.env.RISE_RPC ?? 'https://rpc.risechain.com/',
+      chainId: 4153,
+      accounts,
+    },
     robinhood: {
       url: process.env.ROBINHOOD_RPC ?? '',
       chainId: 4663,
@@ -267,6 +272,7 @@ const config: HardhatUserConfig = {
       sei: explorerApiKey(process.env.SEI_ETHERSCAN_KEY),
       soneium: explorerApiKey(process.env.SONEIUM_ETHERSCAN_KEY),
       megaeth: explorerApiKey(process.env.MEGAETH_ETHERSCAN_KEY),
+      rise: process.env.RISE_ETHERSCAN_KEY ?? 'blockscout',
       robinhood: explorerApiKey(process.env.ROBINHOOD_ETHERSCAN_KEY),
       plume: explorerApiKey(process.env.PLUME_ETHERSCAN_KEY),
       ethereal: explorerApiKey(process.env.ETHEREAL_ETHERSCAN_KEY),
@@ -453,6 +459,14 @@ const config: HardhatUserConfig = {
           browserURL: 'https://mega.etherscan.io',
         },
       },
+      {
+        network: 'rise',
+        chainId: 4153,
+        urls: {
+          apiURL: 'https://explorer.risechain.com/api',
+          browserURL: 'https://explorer.risechain.com',
+        },
+      },
       {
         network: 'robinhood',
         chainId: 4663,
diff --git a/package.json b/package.json
index a1e258b..4f8f1f9 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
     "deploy:allowance-holder": "hardhat run scripts/deploy/deployAllowanceHolder.ts --network",
     "deploy:receiver-executor": "hardhat run scripts/deploy/deployReceiverAllChains.ts",
     "deploy:across-manipulator": "hardhat run scripts/deploy/deployAcrossERC20AmountManipulator.ts --network",
+    "deploy:math-manipulator": "hardhat run scripts/deploy/deployMathManipulator.ts --network",
     "deploy:cctp-claim-executor:all": "ts-node scripts/deploy/deployCctpClaimExecutorAllChains.ts",
     "deploy:rfq-vault-executor:all": "ts-node scripts/deploy/deployRFQVaultExecutorAllChains.ts",
     "deploy:rfq-vault-executor": "hardhat run scripts/deploy/deployRFQVaultExecutor.ts --network",
diff --git a/scripts/deploy/create3.ts b/scripts/deploy/create3.ts
index 01046d9..bb50426 100644
--- a/scripts/deploy/create3.ts
+++ b/scripts/deploy/create3.ts
@@ -55,6 +55,14 @@ export const ACROSS_MANIPULATOR_CREATE3_SALT = keccak256(
   toUtf8Bytes(ACROSS_MANIPULATOR_CREATE3_SALT_TEXT),
 );
 
+/** CREATE3 salt label used by `deployMathManipulator.ts`. */
+export const MATH_MANIPULATOR_CREATE3_SALT_TEXT = 'MathManipulator';
+
+/** Keccak256 salt for deterministic MathManipulator CREATE3 deployments. */
+export const MATH_MANIPULATOR_CREATE3_SALT = keccak256(
+  toUtf8Bytes(MATH_MANIPULATOR_CREATE3_SALT_TEXT),
+);
+
 /** CREATE3 salt label used by `deployCelerExecutor.ts`. */
 export const CELER_EXECUTOR_CREATE3_SALT_TEXT = 'CelerExecutor';
 
@@ -112,6 +120,10 @@ export const OPEN_ROUTER_EXPECTED_ADDRESS =
 export const ACROSS_MANIPULATOR_EXPECTED_ADDRESS =
   '0x05481b7163c376ab4cb0ebc7d17f2cf7651042ee';
 
+/** MathManipulator CREATE3 address for salt `MathManipulator` via canonical CreateX. */
+export const MATH_MANIPULATOR_EXPECTED_ADDRESS =
+  '0x3c3d4F3D636C06bcEb3bCc71EafE36486Ef40581';
+
 /**
  * BungeeReceiver CREATE3 address for salt `BungeeReceiver` via canonical CreateX.
  * Verified with {@link computeFinalAddress} (guarded salt + factory deployer), not
diff --git a/scripts/deploy/deployAcrossERC20AmountManipulator.ts b/scripts/deploy/deployAcrossERC20AmountManipulator.ts
index 09a5a8b..09dcbaf 100644
--- a/scripts/deploy/deployAcrossERC20AmountManipulator.ts
+++ b/scripts/deploy/deployAcrossERC20AmountManipulator.ts
@@ -17,7 +17,7 @@ import {
   decodeCreate3DeploymentFromTxReceipt,
   getAcrossManipulatorDeploymentStatus,
 } from './create3';
-import { confirm } from '../utils';
+import { writeManipulatorAddress } from './manipulatorAddresses';
 
 async function main() {
   const [deployer] = await ethers.getSigners();
@@ -34,6 +34,12 @@ async function main() {
     console.log(
       `AcrossERC20AmountManipulator already deployed on ${networkName} at ${existing.address}`,
     );
+    const filePath = await writeManipulatorAddress(
+      networkName,
+      'AcrossERC20AmountManipulator',
+      existing.address,
+    );
+    console.log('Deployment JSON:', filePath);
     return;
   }
 
@@ -74,6 +80,12 @@ async function main() {
 
   console.log('\n=== Deployment Summary ===');
   console.log(`AcrossERC20AmountManipulator:  ${manipulatorAddress}`);
+  const filePath = await writeManipulatorAddress(
+    networkName,
+    'AcrossERC20AmountManipulator',
+    manipulatorAddress,
+  );
+  console.log('Deployment JSON:', filePath);
 
   const chainId = (await ethers.provider.getNetwork()).chainId;
   const skipVerify = process.env.SKIP_VERIFY?.trim().toLowerCase() === 'true';
diff --git a/scripts/deploy/deployMathManipulator.ts b/scripts/deploy/deployMathManipulator.ts
new file mode 100644
index 0000000..3484c91
--- /dev/null
+++ b/scripts/deploy/deployMathManipulator.ts
@@ -0,0 +1,114 @@
+/**
+ * Deployment script for MathManipulator via CreateX CREATE3.
+ *
+ * Usage:
+ *   npx hardhat run scripts/deploy/deployMathManipulator.ts --network <network>
+ *
+ * Required env vars:
+ *   DEPLOYER_PRIVATE_KEY - deployer wallet private key
+ */
+
+import hre from 'hardhat';
+import { ethers } from 'hardhat';
+import {
+  CREATE_X_FACTORY,
+  Create3ABI,
+  MATH_MANIPULATOR_CREATE3_SALT,
+  MATH_MANIPULATOR_EXPECTED_ADDRESS,
+  decodeCreate3DeploymentFromTxReceipt,
+  hasContractBytecode,
+} from './create3';
+import { writeManipulatorAddress } from './manipulatorAddresses';
+
+async function persist(network: string): Promise<void> {
+  const filePath = await writeManipulatorAddress(
+    network,
+    'MathManipulator',
+    MATH_MANIPULATOR_EXPECTED_ADDRESS,
+  );
+  console.log('Deployment JSON:', filePath);
+}
+
+async function main() {
+  const [deployer] = await ethers.getSigners();
+  const networkName = hre.network.name;
+
+  console.log('Deployer:  ', deployer.address);
+  console.log('Network:   ', networkName);
+  console.log('');
+
+  const existingBytecode = await ethers.provider.getCode(
+    MATH_MANIPULATOR_EXPECTED_ADDRESS,
+  );
+  if (hasContractBytecode(existingBytecode)) {
+    console.log(
+      `MathManipulator already deployed on ${networkName} at ${MATH_MANIPULATOR_EXPECTED_ADDRESS}`,
+    );
+    await persist(networkName);
+    return;
+  }
+
+  const create3Factory = new ethers.Contract(
+    CREATE_X_FACTORY,
+    Create3ABI,
+    deployer,
+  );
+  const factory = await ethers.getContractFactory('MathManipulator');
+  const deployTransaction = await factory.getDeployTransaction();
+  if (!deployTransaction.data) {
+    throw new Error('MathManipulator deployment bytecode is empty');
+  }
+
+  const deployAddress = await create3Factory.deployCreate3.staticCall(
+    MATH_MANIPULATOR_CREATE3_SALT,
+    deployTransaction.data,
+  );
+  if (
+    deployAddress.toLowerCase() !==
+    MATH_MANIPULATOR_EXPECTED_ADDRESS.toLowerCase()
+  ) {
+    throw new Error(
+      `CREATE3 address ${deployAddress} does not match expected ${MATH_MANIPULATOR_EXPECTED_ADDRESS}`,
+    );
+  }
+  console.log('Contract address will be:', deployAddress);
+
+  const deployment = await create3Factory.deployCreate3(
+    MATH_MANIPULATOR_CREATE3_SALT,
+    deployTransaction.data,
+  );
+  console.log('CREATE3 deployment tx:', deployment.hash);
+  const receipt = await deployment.wait();
+  if (!receipt || receipt.status !== 1) {
+    throw new Error(`MathManipulator deployment failed: ${deployment.hash}`);
+  }
+
+  const deployedAddress = decodeCreate3DeploymentFromTxReceipt({ receipt });
+  if (
+    !deployedAddress ||
+    deployedAddress.toLowerCase() !==
+      MATH_MANIPULATOR_EXPECTED_ADDRESS.toLowerCase()
+  ) {
+    throw new Error(
+      `MathManipulator receipt address ${deployedAddress}, expected ${MATH_MANIPULATOR_EXPECTED_ADDRESS}`,
+    );
+  }
+
+  console.log('MathManipulator deployed to:', deployedAddress);
+  await persist(networkName);
+
+  const skipVerify = process.env.SKIP_VERIFY?.trim().toLowerCase() === 'true';
+  const chainId = (await ethers.provider.getNetwork()).chainId;
+  if (chainId !== 31337n && !skipVerify) {
+    await new Promise((resolve) => setTimeout(resolve, 5000));
+    await hre.run('verify:verify', {
+      address: deployedAddress,
+      constructorArguments: [],
+    });
+  }
+}
+
+main().catch((err) => {
+  console.error(err);
+  process.exit(1);
+});
diff --git a/scripts/deploy/manipulatorAddresses.ts b/scripts/deploy/manipulatorAddresses.ts
new file mode 100644
index 0000000..e1aa758
--- /dev/null
+++ b/scripts/deploy/manipulatorAddresses.ts
@@ -0,0 +1,42 @@
+import { mkdir, readFile, writeFile } from 'fs/promises';
+import { dirname, resolve } from 'path';
+
+export type ManipulatorContractName =
+  | 'AcrossERC20AmountManipulator'
+  | 'MathManipulator';
+
+export async function writeManipulatorAddress(
+  network: string,
+  contractName: ManipulatorContractName,
+  address: string,
+  stage = 'prod',
+): Promise<string> {
+  const filePath = resolve(
+    process.cwd(),
+    'deployments',
+    stage,
+    'addresses',
+    `${network}.json`,
+  );
+  let deployments: Record<string, string> = {};
+
+  try {
+    deployments = JSON.parse(await readFile(filePath, 'utf8')) as Record<
+      string,
+      string
+    >;
+  } catch (err) {
+    if ((err as NodeJS.ErrnoException).code !== 'ENOENT') {
+      throw err;
+    }
+  }
+
+  deployments[contractName] = address;
+  await mkdir(dirname(filePath), { recursive: true });
+  await writeFile(
+    filePath,
+    `${JSON.stringify(deployments, null, 2)}\n`,
+    'utf8',
+  );
+  return filePath;
+}
diff --git a/scripts/deploy/networks.ts b/scripts/deploy/networks.ts
index f89cbda..ac79c00 100644
--- a/scripts/deploy/networks.ts
+++ b/scripts/deploy/networks.ts
@@ -35,6 +35,7 @@ export const RECEIVER_DEPLOY_NETWORKS: readonly ReceiverDeployNetwork[] = [
   { name: 'katana', chainId: CHAIN_IDS.KATANA, rpcEnvKey: 'KATANA_RPC', rpcFallback: 'https://rpc.katana.network' },
   { name: 'mode', chainId: CHAIN_IDS.MODE, rpcEnvKey: 'MODE_RPC', rpcFallback: 'https://1rpc.io/mode' },
   { name: 'megaeth', chainId: CHAIN_IDS.MEGAETH, rpcEnvKey: 'MEGAETH_RPC', rpcFallback: 'https://rpc.megaeth.xyz' },
+  { name: 'rise', chainId: CHAIN_IDS.RISE, rpcEnvKey: 'RISE_RPC', rpcFallback: 'https://rpc.risechain.com/' },
   { name: 'robinhood', chainId: CHAIN_IDS.ROBINHOOD, rpcEnvKey: 'ROBINHOOD_RPC', rpcFallback: '' },
   { name: 'plume', chainId: CHAIN_IDS.PLUME, rpcEnvKey: 'PLUME_RPC', rpcFallback: 'https://rpc.plume.org' },
   { name: 'blast', chainId: CHAIN_IDS.BLAST, rpcEnvKey: 'BLAST_RPC', rpcFallback: 'https://blastl2-mainnet.public.blastapi.io' },
@@ -71,6 +72,7 @@ const RPC_ENV_ALIASES: Partial<Record<string, readonly string[]>> = {
   PLASMA_RPC: ['PLASMA_RPC_URL'],
   MONAD_RPC: ['MONAD_RPC_URL'],
   MEGAETH_RPC: ['MEGAETH_RPC_URL'],
+  RISE_RPC: ['RISE_RPC_URL'],
   ROBINHOOD_RPC: ['ROBINHOOD_RPC_URL'],
 };
 
diff --git a/scripts/deploy/openRouterBuild.ts b/scripts/deploy/openRouterBuild.ts
index 5348cec..15609dc 100644
--- a/scripts/deploy/openRouterBuild.ts
+++ b/scripts/deploy/openRouterBuild.ts
@@ -43,6 +43,7 @@ export const OPENROUTER_NETWORK_CHAIN_IDS: Record<string, number> = {
   arc: CHAIN_IDS.ARC,
   plasma: CHAIN_IDS.PLASMA,
   tempo: CHAIN_IDS.TEMPO,
+  rise: CHAIN_IDS.RISE,
   monad: CHAIN_IDS.MONAD,
   linea: CHAIN_IDS.LINEA,
   mantle: CHAIN_IDS.MANTLE,
@@ -83,6 +84,7 @@ export const OPENROUTER_DEPLOY_NETWORKS = [
   'katana',
   'mode',
   'megaeth',
+  'rise',
   'robinhood',
   'plume',
   'blast',
diff --git a/scripts/deploy/verifyAllowanceHolderBatch.ts b/scripts/deploy/verifyAllowanceHolderBatch.ts
index a44587a..d3b019a 100644
--- a/scripts/deploy/verifyAllowanceHolderBatch.ts
+++ b/scripts/deploy/verifyAllowanceHolderBatch.ts
@@ -25,7 +25,7 @@ interface AllowanceHolderDeploymentRecord {
 
 type ExplorerConfig =
   | { verifier: 'etherscan'; chainArg: string }
-  | { verifier: 'custom'; chainArg: string; verifierUrl: string }
+  | { verifier: 'custom'; chainArg: string; verifierUrl: string; apiKeyOptional?: boolean }
   | { verifier: 'sourcify'; chainArg: string };
 
 const ADDR_HEX_RE = /^0x[a-fA-F0-9]{40}$/;
@@ -63,6 +63,7 @@ const EXPLORERS_BY_CHAIN_ID = new Map<number, ExplorerConfig>([
   [9745, { verifier: 'custom', chainArg: '1', verifierUrl: 'https://api.etherscan.io/v2/api?chainid=9745' }],
   [98866, { verifier: 'sourcify', chainArg: '98866' }],
   [4217, { verifier: 'sourcify', chainArg: '4217' }],
+  [4153, { verifier: 'custom', chainArg: '1', verifierUrl: 'https://explorer.risechain.com/api', apiKeyOptional: true }],
 ]);
 
 function readDeploymentRecords(): AllowanceHolderDeploymentRecord[] {
@@ -134,12 +135,18 @@ function verifierArgs(
   }
 
   if (config.verifier === 'custom') {
-    args.push('--verifier-url', config.verifierUrl, '--verifier-api-key', apiKey);
+    args.push('--verifier-url', config.verifierUrl);
+    if (apiKey) {
+      args.push('--verifier-api-key', apiKey);
+    }
   } else if (config.verifier === 'etherscan') {
     args.push('--etherscan-api-key', apiKey);
   }
 
-  if (config.verifier === 'custom' && config.chainArg === '1') {
+  if (
+    config.verifier === 'custom' &&
+    (config.chainArg === '1' || config.apiKeyOptional)
+  ) {
     args.push('--skip-is-verified-check');
   }
 
@@ -179,7 +186,11 @@ function main() {
       );
       continue;
     }
-    if (explorer.verifier !== 'sourcify' && !apiKey) {
+    if (
+      explorer.verifier !== 'sourcify' &&
+      !apiKey &&
+      !(explorer.verifier === 'custom' && explorer.apiKeyOptional)
+    ) {
       throw new Error('ETHERSCAN_API_KEY is required for non-Sourcify verification');
     }
 
diff --git a/scripts/e2e/config.ts b/scripts/e2e/config.ts
index 709f9ba..483bbe4 100644
--- a/scripts/e2e/config.ts
+++ b/scripts/e2e/config.ts
@@ -27,6 +27,8 @@ export const CHAIN_IDS = {
   ARC: 5042,
   /** Tempo mainnet — AllowanceHolder only; OpenRouter not deployed (deposit-only chain). */
   TEMPO: 4217,
+  /** RISE mainnet. */
+  RISE: 4153,
   /** Robinhood mainnet. */
   ROBINHOOD: 4663,
   /** MegaETH mainnet — Relay USDM → Base USDC e2e. */
@@ -68,6 +70,7 @@ export const BLOCK_EXPLORER_TX_PREFIX: Record<number, string> = {
   [CHAIN_IDS.TEMPO]: 'https://explore.mainnet.tempo.xyz/tx/',
   [CHAIN_IDS.ROBINHOOD]: 'https://robinhoodchain.blockscout.com/tx/',
   [CHAIN_IDS.MEGAETH]: 'https://mega.etherscan.io/tx/',
+  [CHAIN_IDS.RISE]: 'https://explorer.risechain.com/tx/',
   [CHAIN_IDS.ARBITRUM]: 'https://arbiscan.io/tx/',
   [CHAIN_IDS.LINEA]: 'https://lineascan.build/tx/',
   [CHAIN_IDS.INK]: 'https://explorer.inkonchain.com/tx/',
@@ -166,6 +169,7 @@ export const OPEN_ROUTER_CHAIN_IDS: readonly number[] = [
   CHAIN_IDS.KATANA,
   CHAIN_IDS.MODE,
   CHAIN_IDS.MEGAETH,
+  CHAIN_IDS.RISE,
   CHAIN_IDS.ROBINHOOD,
   CHAIN_IDS.PLUME,
   CHAIN_IDS.BLAST,