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<title>MultiChain Developer Q&amp;A - Recent questions tagged couldnt-retrieve-blockchain-parameters</title>
<link>https://www.multichain.com/qa/tag/couldnt-retrieve-blockchain-parameters</link>
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<title>uploading and retrieval of file from MC2.0 Alpha 3</title>
<link>https://www.multichain.com/qa/10100/uploading-and-retrieval-of-file-from-mc2-0-alpha-3</link>
<description>&lt;p&gt;Hi we are using multichain 2.0 alpha 3 version, as explained three parameters&amp;nbsp;have been changed, we are able to crunch file upto&amp;nbsp;2 MB now, but while verifying/ retriving the file from streams, the values turn to be NULL, Pl help where are we wrong&lt;/p&gt;&lt;p&gt;in am not been able to find&amp;nbsp;&lt;span style=&quot;font-family:courier new,courier,monospace; font-size:14px&quot;&gt;maxshowndata&amp;nbsp;&amp;amp;&amp;nbsp;gettxoutdata&lt;/span&gt;&lt;/p&gt;&lt;p&gt;{&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;chain-protocol&quot; : &quot;multichain&quot;,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;chain-description&quot; : &quot;MultiChain chain1&quot;,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;root-stream-name&quot; : &quot;root&quot;,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;root-stream-open&quot; : true,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;chain-is-testnet&quot; : false,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;target-block-time&quot; : 15,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;maximum-block-size&quot; : &lt;strong&gt;20097500,&lt;/strong&gt;&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;maximum-chunk-size&quot; : 1048576,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;maximum-chunk-count&quot; : 1024,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;default-network-port&quot; : 9731,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;default-rpc-port&quot; : 9730,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;anyone-can-connect&quot; : false,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;anyone-can-send&quot; : false,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;anyone-can-receive&quot; : false,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;anyone-can-receive-empty&quot; : true,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;anyone-can-create&quot; : false,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;anyone-can-issue&quot; : false,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;anyone-can-mine&quot; : false,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;anyone-can-activate&quot; : false,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;anyone-can-admin&quot; : false,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;support-miner-precheck&quot; : true,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;allow-arbitrary-outputs&quot; : false,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;allow-p2sh-outputs&quot; : true,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;allow-multisig-outputs&quot; : true,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;setup-first-blocks&quot; : 60,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;mining-diversity&quot; : 0.300000000001,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;admin-consensus-upgrade&quot; : 0.500000000001,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;admin-consensus-admin&quot; : 0.500000000001,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;admin-consensus-activate&quot; : 0.500000000001,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;admin-consensus-mine&quot; : 0.500000000001,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;admin-consensus-create&quot; : 1e-12,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;admin-consensus-issue&quot; : 1e-12,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;lock-admin-mine-rounds&quot; : 10,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;mining-requires-peers&quot; : true,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;mine-empty-rounds&quot; : 10.000000000001,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;mining-turnover&quot; : 0.500000000001,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;first-block-reward&quot; : -1,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;initial-block-reward&quot; : 0,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;reward-halving-interval&quot; : 52560000,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;reward-spendable-delay&quot; : 1,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;minimum-per-output&quot; : 0,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;maximum-per-output&quot; : 100000000000000,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;minimum-offchain-fee&quot; : 0,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;minimum-relay-fee&quot; : 0,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;native-currency-multiple&quot; : 100000000,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;skip-pow-check&quot; : false,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;pow-minimum-bits&quot; : 8,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;target-adjust-freq&quot; : -1,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;allow-min-difficulty-blocks&quot; : false,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;only-accept-std-txs&quot; : true,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;max-std-tx-size&quot; :&lt;strong&gt; 20097500,&lt;/strong&gt;&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;max-std-op-returns-count&quot; : 32,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;max-std-op-return-size&quot; : &lt;strong&gt;20097152,&lt;/strong&gt;&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;max-std-op-drops-count&quot; : 5,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;max-std-element-size&quot; : 40000,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;chain-name&quot; : &quot;chain1&quot;,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;protocol-version&quot; : 20003,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;network-message-start&quot; : &quot;f8e4f7ed&quot;,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;address-pubkeyhash-version&quot; : &quot;00a3a284&quot;,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;address-scripthash-version&quot; : &quot;0580bcad&quot;,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;private-key-version&quot; : &quot;801d6d29&quot;,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;address-checksum-value&quot; : &quot;c8835e5c&quot;,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;genesis-pubkey&quot; : &quot;034475839d78341a573659ab10ea846b568dacd5a3de19f379fb8c8855ded0170f&quot;,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;genesis-version&quot; : 1,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;genesis-timestamp&quot; : 1530198132,&lt;br&gt;&amp;nbsp; &amp;nbsp; &quot;genesis-nbits&quot; : 536936447,&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;</description>
<guid isPermaLink="true">https://www.multichain.com/qa/10100/uploading-and-retrieval-of-file-from-mc2-0-alpha-3</guid>
<pubDate>Thu, 28 Jun 2018 19:02:47 +0000</pubDate>
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<title>Couldn't retrieve blockchain parameters</title>
<link>https://www.multichain.com/qa/3406/couldnt-retrieve-blockchain-parameters</link>
<description>&lt;p&gt;I am stuck at Step 2 on&amp;nbsp;&lt;a href=&quot;http://www.multichain.com/getting-started/&quot; rel=&quot;nofollow&quot;&gt;http://www.multichain.com/getting-started/&lt;/a&gt; where the Second Server's firing of&amp;nbsp;multichaind chain1@000.000.000.000:0000 should tell &quot;...&lt;span style=&quot;font-family:helvetica neue,helvetica,arial,sans-serif; font-size:14px&quot;&gt;the blockchain was successfully initialized, but you do not have permission to connect. You should also be shown a message containing an address in this node’s wallet...&quot;,&amp;nbsp;but instead it tells the following:&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;span style=&quot;font-family: helvetica neue, helvetica, arial, sans-serif;&quot;&gt;&lt;span style=&quot;font-size:14px&quot;&gt;&quot;...&lt;/span&gt;&lt;/span&gt;Retrieving blockchain parameters from the seed node 000.000.000.000:0000 ...&lt;br&gt;Error: Couldn't retrieve blockchain parameters from the seed node 000.000.000.000&lt;br&gt;on port 0000.&lt;br&gt;For bitcoin protocol blockchains, the file C:\Users\xyz\AppData\Roaming\MultiChain\áchain1\params.dat must be copied manually from an existing node...&quot;&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;Please advise.&lt;/p&gt;</description>
<guid isPermaLink="true">https://www.multichain.com/qa/3406/couldnt-retrieve-blockchain-parameters</guid>
<pubDate>Tue, 20 Dec 2016 01:38:02 +0000</pubDate>
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