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Public key
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<div class="subhead-links sourcefile" data-sourcefile="_data/glossary/en/public-key.yaml"
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><a href="https://github.com/dash-docs/dash-docs/edit/master/_data/glossary/en/public-key.yaml">Edit</a>
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<br>
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<h1 id="public-key-ecdsa-public-key">Public Key, ECDSA Public Key</h1>
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<p><span>This definition comes from the <a href="/en/developer-glossary">technical glossary</a>.</span></p>
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<h2 id="definition">Definition</h2>
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<p>The public portion of a keypair which can be used to verify <a href="/en/glossary/signature" title="A value related to a public key which could only have reasonably been created by someone who has the private key that created that public key. Used in Dash to authorize spending duffs previously sent to a public key." class="auto-link">signatures</a> made with the private portion of the keypair.</p>
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<h3 id="synonyms">Synonyms</h3>
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<ul>
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<li>Public key</li>
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</ul>
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<h3 id="not-to-be-confused-with">Not To Be Confused With</h3>
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<li>
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<p><a href="/en/glossary/private-key" title="The private portion of a keypair which can create signatures that other people can verify using the public key." class="auto-link">Private key</a> (data from which the <a href="/en/glossary/public-key" title="The public portion of a keypair which can be used to verify signatures made with the private portion of the keypair." class="auto-link">public key</a> is derived)</p>
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</li>
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<li>
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<p><a href="/en/glossary/parent-key" title="In HD wallets, a key used to derive child keys. The key can be either a private key or a public key, and the key derivation may also require a chain code." class="auto-link">Parent key</a> (a key used to create <a href="/en/glossary/child-key" title="In HD wallets, a key derived from a parent key. The key can be either a private key or a public key, and the key derivation may also require a chain code." class="auto-link">child keys</a>, not necessarily a <a href="/en/glossary/public-key" title="The public portion of a keypair which can be used to verify signatures made with the private portion of the keypair." class="auto-link">public key</a>)</p>
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<h3 id="links">Links</h3>
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<ul>
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<li>
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<p><a href="/en/developer-guide#term-public-key">Public key</a> — Developer Guide</p>
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</li>
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<li>
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<p><a href="http://bitcoin.stackexchange.com/q/4675">What is a public key?</a> — Bitcoin StackExchange</p>
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