nucypher · derekpierre · May 1, 2026
diff --git a/.github/workflows/npm.yml b/.github/workflows/npm.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         node: ['18.x']
-        version: ['latest', 'mainnet', 'devnet', 'testnet']
+        version: ['latest', 'mainnet', 'devnet']
 
     steps:
       - uses: pnpm/action-setup@v4

diff --git a/.github/workflows/tapir.yml b/.github/workflows/tapir.yml
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -69,7 +69,6 @@ View resulting published versions:
 4. Tag latest release of `@nucypher/taco` for various domains where appropriate:
 ```bash
 npm dist-tag add @nucypher/taco@<new_version> devnet
-npm dist-tag add @nucypher/taco@<new_version> testnet
 npm dist-tag add @nucypher/taco@<new_version> mainnet
 ```
 

diff --git a/demos/taco-demo/src/App.tsx b/demos/taco-demo/src/App.tsx
@@ -24,7 +24,6 @@ import { downloadData, getWebIrys, uploadData } from './irys';
 
 const chainIdForDomain = {
   [domains.DEVNET]: 80002,
-  [domains.TESTNET]: 80002,
   [domains.MAINNET]: 137,
 };
 

diff --git a/demos/taco-demo/src/config.ts b/demos/taco-demo/src/config.ts
@@ -1,7 +1,9 @@
 import { domains } from '@nucypher/taco';
 
-export const DEFAULT_RITUAL_ID = parseInt(process.env.DEFAULT_RITUAL_ID || '6');
-export const DEFAULT_DOMAIN = process.env.DEFAULT_DOMAIN || domains.TESTNET;
+export const DEFAULT_RITUAL_ID = parseInt(
+  process.env.DEFAULT_RITUAL_ID || '27',
+);
+export const DEFAULT_DOMAIN = process.env.DEFAULT_DOMAIN || domains.DEVNET;
 
 // Node 2 is free
 export const IRYS_NODE_URL =

diff --git a/demos/taco-nft-demo/src/App.tsx b/demos/taco-nft-demo/src/App.tsx
@@ -22,7 +22,6 @@ import { Spinner } from './Spinner';
 
 const chainIdForDomain = {
   [domains.DEVNET]: 80002,
-  [domains.TESTNET]: 80002,
   [domains.MAINNET]: 137,
 };
 

diff --git a/demos/taco-nft-demo/src/config.ts b/demos/taco-nft-demo/src/config.ts
@@ -1,4 +1,6 @@
 import { domains } from '@nucypher/taco';
 
-export const DEFAULT_RITUAL_ID = parseInt(process.env.DEFAULT_RITUAL_ID || '6');
-export const DEFAULT_DOMAIN = process.env.DEFAULT_DOMAIN || domains.TESTNET;
+export const DEFAULT_RITUAL_ID = parseInt(
+  process.env.DEFAULT_RITUAL_ID || '27',
+);
+export const DEFAULT_DOMAIN = process.env.DEFAULT_DOMAIN || domains.DEVNET;
diff --git a/examples/pre/nextjs/src/app/page.tsx b/examples/pre/nextjs/src/app/page.tsx
@@ -108,8 +108,8 @@ function App() {
     const policy = await alice.grant(
       provider,
       provider.getSigner(),
-      domains.TESTNET,
-      await getPorterUri(domains.TESTNET),
+      domains.DEVNET,
+      await getPorterUri(domains.DEVNET),
       policyParams,
     );
 

diff --git a/examples/pre/nodejs/src/index.ts b/examples/pre/nodejs/src/index.ts
@@ -72,8 +72,8 @@ const runExample = async () => {
   const policy = await alice.grant(
     provider,
     signer,
-    domains.TESTNET,
-    await getPorterUri(domains.TESTNET),
+    domains.DEVNET,
+    await getPorterUri(domains.DEVNET),
     policyParams,
   );
 

diff --git a/examples/pre/react/src/App.tsx b/examples/pre/react/src/App.tsx
@@ -105,8 +105,8 @@ function App() {
     const policy = await alice.grant(
       provider,
       provider.getSigner(),
-      domains.TESTNET,
-      await getPorterUri(domains.TESTNET),
+      domains.DEVNET,
+      await getPorterUri(domains.DEVNET),
       policyParams,
     );
 

diff --git a/examples/pre/webpack-5/src/index.ts b/examples/pre/webpack-5/src/index.ts
@@ -81,8 +81,8 @@ const runExample = async () => {
   const policy = await alice.grant(
     provider,
     provider.getSigner(),
-    domains.TESTNET,
-    await getPorterUri(domains.TESTNET),
+    domains.DEVNET,
+    await getPorterUri(domains.DEVNET),
     policyParams,
   );
 

diff --git a/examples/taco/nextjs/src/app/page.tsx b/examples/taco/nextjs/src/app/page.tsx
@@ -10,8 +10,8 @@ import useTaco from '../hooks/useTaco';
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 declare const window: any;
 
-const ritualId = 6; // Replace with your own ritual ID
-const domain = domains.TESTNET;
+const ritualId = 27; // Replace with your own ritual ID
+const domain = domains.DEVNET;
 
 function App() {
   const [provider, setProvider] = useState<

diff --git a/examples/taco/nodejs/.env.example b/examples/taco/nodejs/.env.example
@@ -5,5 +5,5 @@ RPC_PROVIDER_URL=https://rpc-amoy.polygon.technology
 # We provide here some defaults, but we encourage you to choose your own.
 ENCRYPTOR_PRIVATE_KEY=0x900edb9e8214b2353f82aa195e915128f419a92cfb8bbc0f4784f10ef4112b86
 CONSUMER_PRIVATE_KEY=0xf307e165339cb5deb2b8ec59c31a5c0a957b8e8453ce7fe8a19d9a4c8acf36d4
-RITUAL_ID=6
-DOMAIN=tapir
+RITUAL_ID=27
+DOMAIN=lynx
diff --git a/examples/taco/nodejs/src/index.ts b/examples/taco/nodejs/src/index.ts
@@ -35,12 +35,11 @@ if (!consumerPrivateKey) {
   throw new Error('CONSUMER_PRIVATE_KEY is not set.');
 }
 
-const domain = process.env.DOMAIN || domains.TESTNET;
-const ritualId = parseInt(process.env.RITUAL_ID || '6');
+const domain = process.env.DOMAIN || domains.DEVNET;
+const ritualId = parseInt(process.env.RITUAL_ID || '27');
 const provider = new ethers.providers.JsonRpcProvider(rpcProviderUrl);
 const CHAIN_ID_FOR_DOMAIN = {
   [domains.MAINNET]: 137,
-  [domains.TESTNET]: 80002,
   [domains.DEVNET]: 80002,
 };
 const chainId = CHAIN_ID_FOR_DOMAIN[domain];

diff --git a/examples/taco/react/src/App.tsx b/examples/taco/react/src/App.tsx
@@ -9,8 +9,8 @@ import useTaco from './hooks/useTaco';
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 declare const window: any;
 
-const ritualId = 6; // Replace with your own ritual ID
-const domain = domains.TESTNET;
+const ritualId = 27; // Replace with your own ritual ID
+const domain = domains.DEVNET;
 
 function App() {
   const [provider, setProvider] = useState<

diff --git a/examples/taco/webpack-5/src/index.ts b/examples/taco/webpack-5/src/index.ts
@@ -20,8 +20,8 @@ declare const window: any;
 const runExample = async () => {
   await initialize();
 
-  const ritualId = 6; // Replace with your own ritual ID
-  const domain = domains.TESTNET;
+  const ritualId = 27; // Replace with your own ritual ID
+  const domain = domains.DEVNET;
 
   const provider = new ethers.providers.Web3Provider(window.ethereum!, 'any');
   await provider.send('eth_requestAccounts', []);

diff --git a/packages/shared/src/porter.ts b/packages/shared/src/porter.ts
@@ -20,7 +20,6 @@ import { fromBase64, fromHexString, toBase64, toHexString } from './utils';
 
 const defaultPorterUri: Record<string, string> = {
   mainnet: 'https://porter.nucypher.io',
-  tapir: 'https://porter-tapir.nucypher.io',
   lynx: 'https://porter-lynx.nucypher.io',
 };
 
@@ -32,7 +31,6 @@ export type PorterURISourceResponse = Record<string, string[]>;
 
 export const domains: Record<string, Domain> = {
   DEVNET: 'lynx',
-  TESTNET: 'tapir',
   MAINNET: 'mainnet',
 };
 

diff --git a/packages/taco/README.md b/packages/taco/README.md
@@ -4,7 +4,7 @@
 
 ## Supported `taco` versions
 
-To use `taco`, you need to connect with a proper network: `mainnet`, `testnet`, or `devnet`. You can find a proper version for each network in the [npmjs.com package tags](https://www.npmjs.com/package/@nucypher/taco?activeTab=versions).
+To use `taco`, you need to connect with a proper network: `mainnet` or `devnet`. You can find a proper version for each network in the [npmjs.com package tags](https://www.npmjs.com/package/@nucypher/taco?activeTab=versions).
 
 Visit [our documentation](https://docs.taco.build/taco-integration/) to learn more.
 
@@ -37,7 +37,7 @@ const message = 'my secret message';
 
 const messageKit = await encrypt(
   web3Provider,
-  domains.TESTNET,
+  domains.DEVNET,
   message,
   ownsNFT,
   ritualId,
@@ -58,7 +58,7 @@ const web3Provider = new ethers.providers.Web3Provider(window.ethereum);
 
 const decryptedMessage = await decrypt(
   web3Provider,
-  domains.TESTNET,
+  domains.DEVNET,
   messageKit,
   web3Provider.getSigner(),
 );

diff --git a/packages/taco/examples/encrypt-decrypt.ts b/packages/taco/examples/encrypt-decrypt.ts
@@ -15,7 +15,7 @@ import {
   toBytes,
 } from '../src';
 
-const ritualId = 1;
+const ritualId = 27;
 
 const run = async () => {
   // The data encryptor runs this part
@@ -32,7 +32,7 @@ const run = async () => {
     });
     const messageKit = await encrypt(
       web3Provider,
-      domains.TESTNET,
+      domains.DEVNET,
       message,
       ownsNFT,
       ritualId,
@@ -57,7 +57,7 @@ const run = async () => {
     conditionContext.addAuthProvider(USER_ADDRESS_PARAM_DEFAULT, authProvider);
     const decryptedMessage = await decrypt(
       web3Provider,
-      domains.TESTNET,
+      domains.DEVNET,
       messageKit,
       conditionContext,
     );