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@polkadot/util-crypto

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A collection of useful crypto utilities for @polkadot

github.com/polkadot-js/common/tree/master/packages/util-crypto

polkadot-js/common

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import type { Keypair } from '../types.js'; export declare function createDeriveFn(derive: (pair: Uint8Array, cc: Uint8Array) => Uint8Array): (keypair: Keypair, chainCode: Uint8Array) => Keypair;