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<div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Form of distributed database</div> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output 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role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Crystal_Clear_app_kedit.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e8/Crystal_Clear_app_kedit.svg/40px-Crystal_Clear_app_kedit.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e8/Crystal_Clear_app_kedit.svg/60px-Crystal_Clear_app_kedit.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e8/Crystal_Clear_app_kedit.svg/80px-Crystal_Clear_app_kedit.svg.png 2x" data-file-width="128" data-file-height="128" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This article <b>may need to be rewritten</b> to comply with Wikipedia's <a href="/wiki/Wikipedia:Manual_of_Style" title="Wikipedia:Manual of Style">quality standards</a>.<span class="hide-when-compact"> <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Blockchain-based_database&action=edit">You can help</a>. The <a href="/wiki/Talk:Blockchain-based_database" title="Talk:Blockchain-based database">talk page</a> may contain suggestions.</span> <span class="date-container"><i>(<span class="date">November 2024</span>)</i></span></div></td></tr></tbody></table> <p>The <b>blockchain-based database</b> is a combination of <a href="/wiki/Database" title="Database">traditional database</a> and <a href="/wiki/Distributed_database" title="Distributed database">distributed database</a> where <a href="/wiki/Data" title="Data">data</a> is transacted and recorded via <i>Database Interface</i><sup id="cite_ref-:0_1-0" class="reference"><a href="#cite_note-:0-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> (also known as <i>Compute Interface</i>)<sup id="cite_ref-:1_2-0" class="reference"><a href="#cite_note-:1-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> supported by multiple-layers of <a href="/wiki/Blockchain" title="Blockchain">blockchains</a>.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> The database itself is shared in the form of an <a href="/wiki/Encrypted" class="mw-redirect" title="Encrypted">encrypted</a>/immutable ledger which makes the information open for everyone.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Concept">Concept</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Blockchain-based_database&action=edit&section=1" title="Edit section: Concept"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In actual case, the blockchain essentially has no querying abilities when compared to <a href="/wiki/Database" title="Database">traditional database</a> and with a doubling of <a href="/wiki/Node_(networking)" title="Node (networking)">nodes</a>, network traffic quadruples with no improvement in throughput, latency, or capacity.<sup id="cite_ref-:2_5-0" class="reference"><a href="#cite_note-:2-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> To overcome these shortcomings, taking a <a href="/wiki/Database" title="Database">traditional database</a> and adding blockchain features to it sounds more feasible.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> That's how the concept of blockchain-based database came into existence, which consists of multiple member clouds riding on two primary layers; the first one is <i>Database Interface</i> and the second one is the <i>Blockchain Anchoring</i>.<sup id="cite_ref-:0_1-1" class="reference"><a href="#cite_note-:0-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> The idea behind the blockchain based database concept is to complement the functionality and features of <a href="/wiki/Relational_database" title="Relational database">SQL</a> and <a href="/wiki/NoSQL" title="NoSQL">NoSQL</a> databases with blockchain properties: data immutability, integrity assurance, decentralized control, <a href="/wiki/Byzantine_fault" title="Byzantine fault">Byzantine fault tolerance</a> and transaction traceability.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Implementations">Implementations</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Blockchain-based_database&action=edit&section=2" title="Edit section: Implementations"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Oracle_DBMS" class="mw-redirect" title="Oracle DBMS">Oracle DBMS</a> implements support for a blockchain-based database model.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Blockchain-based_database&action=edit&section=3" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output 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a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFGaetaniAnielloBaldoniLombardi2017" class="citation journal cs1">Gaetani, Edoardo; Aniello, Leonardo; Baldoni, Roberto; Lombardi, Federico; Margheri, Andrea; Sassone, Vladimiro (2017). <a rel="nofollow" class="external text" href="http://ceur-ws.org/Vol-1816/paper-15.pdf">"Blockchain-based database to ensure data integrity in cloud computing environments"</a> <span class="cs1-format">(PDF)</span>. <i>Sun SITE Central Europe Operated Under the Umbrella of RWTH Aachen University</i>. 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style="width:1%">Types</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Object_database" title="Object database">Object-oriented</a> <ul><li><a href="/wiki/Comparison_of_object_database_management_systems" title="Comparison of object database management systems">comparison</a></li></ul></li> <li><a href="/wiki/Relational_database" title="Relational database">Relational</a> <ul><li><a href="/wiki/List_of_relational_database_management_systems" title="List of relational database management systems">list</a></li> <li><a href="/wiki/Comparison_of_relational_database_management_systems" title="Comparison of relational database management systems">comparison</a></li></ul></li> <li><a href="/wiki/Key%E2%80%93value_database" title="Key–value database">Key–value</a></li> <li><a href="/wiki/Column-oriented_DBMS" class="mw-redirect" title="Column-oriented DBMS">Column-oriented</a> <ul><li><a href="/wiki/List_of_column-oriented_DBMSes" title="List of column-oriented DBMSes">list</a></li></ul></li> <li><a href="/wiki/Document-oriented_database" title="Document-oriented database">Document-oriented</a></li> <li><a href="/wiki/Wide-column_store" title="Wide-column store">Wide-column store</a></li> <li><a href="/wiki/Graph_database" title="Graph database">Graph</a></li> <li><a href="/wiki/NoSQL" title="NoSQL">NoSQL</a></li> <li><a href="/wiki/NewSQL" title="NewSQL">NewSQL</a></li> <li><a href="/wiki/In-memory_database" title="In-memory database">In-memory</a> <ul><li><a href="/wiki/List_of_in-memory_databases" title="List of in-memory databases">list</a></li></ul></li> <li><a href="/wiki/Multi-model_database" title="Multi-model database">Multi-model</a> <ul><li><a href="/wiki/Comparison_of_multi-model_databases" title="Comparison of multi-model databases">comparison</a></li></ul></li> <li><a href="/wiki/Cloud_database" title="Cloud database">Cloud</a></li> <li><a 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