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diff --git a/vanilla/node_modules/@exodus/bytes/wif.d.ts b/vanilla/node_modules/@exodus/bytes/wif.d.ts
new file mode 100644
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+++ b/vanilla/node_modules/@exodus/bytes/wif.d.ts
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+/**
+ * Wallet Import Format (WIF) encoding and decoding.
+ *
+ * ```js
+ * import { fromWifString, toWifString } from '@exodus/bytes/wif.js'
+ * import { fromWifStringSync, toWifStringSync } from '@exodus/bytes/wif.js'
+ * ```
+ *
+ * On non-Node.js, requires peer dependency [@noble/hashes](https://www.npmjs.com/package/@noble/hashes) to be installed.
+ *
+ * @module @exodus/bytes/wif.js
+ */
+
+/// <reference types="node" />
+
+import type { Uint8ArrayBuffer } from './array.js';
+
+/**
+ * WIF (Wallet Import Format) data structure
+ */
+export interface Wif {
+  /** Network version byte */
+  version: number;
+  /** 32-byte private key */
+  privateKey: Uint8ArrayBuffer;
+  /** Whether the key is compressed */
+  compressed: boolean;
+}
+
+/**
+ * Decode a WIF string to WIF data
+ *
+ * Returns a promise that resolves to an object with `{ version, privateKey, compressed }`.
+ *
+ * The optional `version` parameter validates the version byte.
+ *
+ * Throws if the WIF string is invalid or version doesn't match.
+ *
+ * @param string - The WIF encoded string
+ * @param version - Optional expected version byte to validate against
+ * @returns The decoded WIF data
+ * @throws Error if the WIF string is invalid or version doesn't match
+ */
+export function fromWifString(string: string, version?: number): Promise<Wif>;
+
+/**
+ * Decode a WIF string to WIF data (synchronous)
+ *
+ * Returns an object with `{ version, privateKey, compressed }`.
+ *
+ * The optional `version` parameter validates the version byte.
+ *
+ * Throws if the WIF string is invalid or version doesn't match.
+ *
+ * @param string - The WIF encoded string
+ * @param version - Optional expected version byte to validate against
+ * @returns The decoded WIF data
+ * @throws Error if the WIF string is invalid or version doesn't match
+ */
+export function fromWifStringSync(string: string, version?: number): Wif;
+
+/**
+ * Encode WIF data to a WIF string
+ *
+ * @param wif - The WIF data to encode
+ * @returns The WIF encoded string
+ */
+export function toWifString(wif: Wif): Promise<string>;
+
+/**
+ * Encode WIF data to a WIF string (synchronous)
+ *
+ * @param wif - The WIF data to encode
+ * @returns The WIF encoded string
+ */
+export function toWifStringSync(wif: Wif): string;