dash-docs/en/glossary/stale-block.html
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Stale block
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<br>
<h1 id="stale-block">Stale Block</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>
<p><a href="/en/glossary/block" title="One or more transactions prefaced by a block header and protected by proof of work. Blocks are the data stored on the block chain." class="auto-link">Blocks</a> which were successfully mined but which arent included on the current <a href="/en/glossary/block-chain" title="A chain of blocks with each block referencing the block that preceded it. The most-difficult-to-recreate chain is the best block chain." class="auto-link">best block chain</a>, likely because some other <a href="/en/glossary/block" title="One or more transactions prefaced by a block header and protected by proof of work. Blocks are the data stored on the block chain." class="auto-link">block</a> at the same <a href="/en/glossary/block-height" title="The number of blocks preceding a particular block on a block chain. For example, the genesis block has a height of zero because zero block preceded it." class="auto-link">height</a> had its chain extended first.</p>
<h3 id="synonyms">Synonyms</h3>
<ul>
<li>Stale block</li>
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<h3 id="not-to-be-confused-with">Not To Be Confused With</h3>
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<li><a href="/en/glossary/orphan-block" title="Blocks whose parent block has not been processed by the local node, so they can't be fully validated yet." class="auto-link">Orphan block</a> (a <a href="/en/glossary/block" title="One or more transactions prefaced by a block header and protected by proof of work. Blocks are the data stored on the block chain." class="auto-link">block</a> whose previous (parent) hash field points to an unknown <a href="/en/glossary/block" title="One or more transactions prefaced by a block header and protected by proof of work. Blocks are the data stored on the block chain." class="auto-link">block</a>, meaning the orphan cant be validated)</li>
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<h3 id="links">Links</h3>
<ul>
<li>
<p><a href="/en/developer-guide#term-stale-block">Stale blocks</a> — Developer Guide</p>
</li>
<li>
<p><a href="http://bitcoin.stackexchange.com/q/5859">What are orphaned and stale blocks?</a> — Bitcoin StackExchange</p>
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