p>
<p>In this topic, we’ll cover:</p>
<ul class="simple">
<li><p>[What is a policy](#what-is-a-policy)</p></li>
<li><p>[Why are policies needed](#why-are-policies-needed)</p></li>
<li><p>[How are policies implemented throughout Fabric](#how-are-policies-implemented-throughout-fabric)</p></li>
<li><p>[Fabric policy domains](#the-fabric-policy-domains)</p></li>
<li><p>[How do you write a policy in Fabric](#how-do-you-write-a-policy-in-fabric)</p></li>
<li><p>[Fabric chaincode lifecycle](#fabric-chaincode-li