<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>arduinomancer</author><text>Yeah this seems like another &amp;quot;how is that better than a centralized database&amp;quot; situation</text><parent_chain><item><author>furyofantares</author><text>&amp;gt; Not that I’m saying MMOs need blockchains;&lt;p&gt;I would hope not! Lots of MMOs exist, for example.&lt;p&gt;&amp;gt; but it turns out Proof-of-Work ledger technology had a use case here!&lt;p&gt;Right, blockchain and more narrowly Proof-of-Work have loads of use cases. They&amp;#x27;re just the worst solution available for almost all of them.</text></item></parent_chain></comment><story><title>We Burned Down Players’ Houses in Ultima Online</title><url>https://blog.cotten.io/that-time-we-burned-down-players-houses-in-ultima-online-7e556618c8f0?gi=d16a5fbc3623</url></story>
<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>not2b</author><text>Couldn&amp;#x27;t they just use a Merkle tree, like git does, to keep track of the history? I think that&amp;#x27;s what he&amp;#x27;s referring to here. They don&amp;#x27;t need proof of work if the code that can modify the history is trusted.</text><parent_chain><item><author>furyofantares</author><text>&amp;gt; Not that I’m saying MMOs need blockchains;&lt;p&gt;I would hope not! Lots of MMOs exist, for example.&lt;p&gt;&amp;gt; but it turns out Proof-of-Work ledger technology had a use case here!&lt;p&gt;Right, blockchain and more narrowly Proof-of-Work have loads of use cases. They&amp;#x27;re just the worst solution available for almost all of them.</text></item></parent_chain></comment><story><title>We Burned Down Players’ Houses in Ultima Online</title><url>https://blog.cotten.io/that-time-we-burned-down-players-houses-in-ultima-online-7e556618c8f0?gi=d16a5fbc3623</url></story>