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<title>MultiChain Developer Q&amp;A - Recent questions tagged max-std-tx-size</title>
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<title>Standard Transaction Defenitions in params file</title>
<link>https://www.multichain.com/qa/3931/standard-transaction-defenitions-in-params-file</link>
<description>&lt;p&gt;What should be the max-std-tx-size if OP_RETURN count = 10 and OP_RETURN size = 8MB?&lt;br&gt;(I have set max block size to 32 MB, should I decrease OP_RETURN count&amp;nbsp; if max block size is 32MB? )&lt;/p&gt;&lt;p&gt;following are the entries in the params file:&lt;br&gt;&lt;br&gt;# Standard transaction definitions&lt;/p&gt;&lt;p&gt;only-accept-std-txs = true&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; # Only accept and relay transactions which qualify as 'standard'.&lt;br&gt;max-std-tx-size = &lt;span style=&quot;color:#FF0000&quot;&gt;4194304&lt;/span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; # Maximum size of standard transactions, in bytes. (1024 - 10000000)&lt;br&gt;&lt;span style=&quot;color:#0000CD&quot;&gt;max-std-op-returns-count = 10&lt;/span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; # Maximum number of OP_RETURN metadata outputs in standard transactions. (0 - 1024)&lt;br&gt;&lt;span style=&quot;color:#0000CD&quot;&gt;max-std-op-return-size = 8388608&amp;nbsp;&lt;/span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; # Maximum size of OP_RETURN metadata in standard transactions, in bytes. (0 - 8388608)&lt;br&gt;max-std-op-drops-count = 5&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; # Maximum number of OP_DROPs per output in standard transactions. (0 - 100)&lt;br&gt;max-std-element-size = 600&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; # Maximum size of data elements in standard transactions, in bytes. (128 - 32768)&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;</description>
<guid isPermaLink="true">https://www.multichain.com/qa/3931/standard-transaction-defenitions-in-params-file</guid>
<pubDate>Mon, 06 Feb 2017 18:12:08 +0000</pubDate>
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