import { utilCrypto } from "https://deno.land/x/polkadot@0.2.45/mod.ts";
const { blake2AsU8a } = utilCrypto;
Examples
import { blake2AsU8a } from 'https://deno.land/x/polkadot@0.2.45/util-crypto/mod.ts';
blake2AsU8a('abc'); // => [0xba, 0x80, 0xa5, 0x3f, 0x98, 0x1c, 0x4d, 0x0d]