<span class="token keyword">const</span> sk <span class="token operator">=</span> <span class="token function">fromSeed</span><span class="token punctuation">(</span>Buffer<span class="token punctuation">.</span><span class="token function">from</span><span class="token punctuation">(</span>seed<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token keyword">return</span> sk<span class="token punctuation">.</span><sp