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You may still need to apply the polyfill via
```setPolyfills({
  SubtleCrypto: require("node:crypto").webcrypto.subtle,
});```
Depending on Node runtime, this may or may not be needed. Node 18+ should have `crypto.subtle` available on `globalThis`, Node 17 only has `crypto` (no .subtle), and Node 16 has nothing.

Thanks <@U04D18P8B5Z>. I’ll give it a try.
I am using node 18+, though

Here’s an update on this if it’s useful for anyone.
The `SubtleCrypto` polyfill will not work on NextJS for client-side code, as `node:crypto` is unavailable in the browser environment; this will only work on server-side code or API routes.
I ended up using this approach:
```//_app.js
import { Crypto } from '@peculiar/webcrypto';

const crypto = new Crypto();
setPolyfills({
  SubtleCrypto: crypto.subtle,
});```