/a><code><span class="keyword">val</span> spendable_by : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <a href="../../Address/index.html#type-prefix">Address.prefix</a> <span>&#45;&gt;</span> <span>string option</span></code></dt><dd><p><code>spendable_by out prefix</code> returns the address (with <code>prefix</code>) which is able to spend <code>out</code></p></dd></dl></div></body></html>