{"id":1088,"date":"2022-08-18T12:00:00","date_gmt":"2022-08-18T12:00:00","guid":{"rendered":"https:\/\/grandpascrypto.com\/?p=1088"},"modified":"2023-01-09T16:19:08","modified_gmt":"2023-01-09T16:19:08","slug":"arbitrum-nova-a-new-blockchain-designed-for-social-and-gaming-dapps","status":"publish","type":"post","link":"https:\/\/grandpascrypto.com\/arbitrum-nova-a-new-blockchain-designed-for-social-and-gaming-dapps\/","title":{"rendered":"Arbitrum Nova, A New Blockchain Designed For Social and Gaming DApps"},"content":{"rendered":"\n<p><em><strong>tl;dr Summary: <\/strong>Arbitrum Nova, the new chain built on AnyTrust technology, was introduced recently by Offchain Labs, the firm behind Ethereum&#8217;s largest scaling project, Arbitrum.<\/em><\/p>\n\n\n\n<p>Arbitrum already enjoys the coveted top spot in the layer-1 scaling wars with over $2.87 billion in TVL (Total Value Locked) on its optimistic rollup.<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/2UX5mCih7ctnLOBnVnXqPDSkZOvDVQc-BC2HTMyod5Ig_0uTE5pZKVBTTHrkBlwoZ439Yp_L3fIHFf6Kztf6IxF7PkQ9vtTBk2Fce1s1Ts10J4qvDJEkPrQypuTrOqytsM2pRduAlsYDMB9G5S3oSPg\" alt=\"\" width=\"696\" height=\"291\"\/><figcaption>Source: <a href=\"https:\/\/l2beat.com\/\">https:\/\/l2beat.com\/<\/a><\/figcaption><\/figure>\n\n\n\n<p>On Aug 9, 2022, it took another step towards solidifying its top position by <a href=\"https:\/\/twitter.com\/arbitrum\/status\/1557025237769805825?s=20\">unveiling<\/a> a new chain named Nova.<\/p>\n\n\n\n<p>The new chain aims at social applications and gaming compared to the original Arbitrum One rollup, which will continue to be available for NFT and decentralized finance (DeFi) projects.<\/p>\n\n\n\n<p>Arbitrum Nova is different from a rollup as it works on Arbitrum AnyTrust, a novel technology developed by <a href=\"https:\/\/offchainlabs.com\/\">Offchain Labs<\/a> to reduce fees and speed up transactions, which is the biggest ask for social and gaming dApps.<\/p>\n\n\n\n<p>AnyTrust chains, as opposed to optimistic rollups, are more centralized and thus less secure. Rollups, by design, inherit their security from the underlying layer-1, whereas an AnyTrust chain introduces its own security assumption, which results in a chain that is overall less secure than a rollup but faster.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">A new dawn is upon us\ud83c\udf04<br> <br>\u2728Arbitrum Nova is now live and open to the public \u2728<br><br>Nova is a new chain built on the Arbitrum AnyTrust technology and optimized for social and gaming applications that require ultra-low fees and high security<a href=\"https:\/\/t.co\/4yAqe7PrRx\">https:\/\/t.co\/4yAqe7PrRx<\/a><\/p>&mdash; Arbitrum (@arbitrum) <a href=\"https:\/\/twitter.com\/arbitrum\/status\/1557025237769805825?ref_src=twsrc%5Etfw\">August 9, 2022<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Deep dive into AnyTrust<\/h2>\n\n\n\n<p>In a rollup, transaction data gets posted on the layer-1 chain. It guarantees that this data will be available to any of the miners\/validators of layer-1 for validation, which means &#8220;inheriting&#8221; security from layer-1.&nbsp;<\/p>\n\n\n\n<p><a href=\"https:\/\/developer.offchainlabs.com\/docs\/AnyTrust\">AnyTrust<\/a> brings in these changes:<\/p>\n\n\n\n<ol><li>Transaction data is not stored on layer-1 but off-chain.<\/li><li>The new chain has a group of actors called the Data Availability Committee (DAC) that takes over validation.<\/li><li>Unlike layer-1s, this committee requires a certain number of its members, to be honest. For layer-1s, it is just one.<\/li><\/ol>\n\n\n\n<p>Moving data availability\u2014and in turn, the correctness of the chain\u2014away from layer-1 means that transactions become cheaper and faster than even a rollup.&nbsp;<\/p>\n\n\n\n<p>For example, a DAC can have 20 members, with the premise that at least two of them are truthful. This way, anything signed by a &#8220;quorum&#8221; of 19 committee members (mathematically calculated as N+1-K or 20+1-2) must be correct, which in turn means that it is safe to post the hash of this data instead of the full data on L-1.&nbsp;<\/p>\n\n\n\n<p>The same is true for state transitions, which are the current snapshot of a blockchain. A state transition can now be accepted without waiting for the usual optimistic challenge period of seven days.&nbsp;<\/p>\n\n\n\n<p>But what happens if there is no active quorum at any time? Does this mean that all transactions and state transitions halt? The answer is no.<\/p>\n\n\n\n<p>The novel AnyTrust technology requires a working rollup system; in such a scenario, the chain will simply &#8220;fallback&#8221; to operate as a rollup.<\/p>\n\n\n\n<p>In other words, this AnyTrust chain can seamlessly switch between &#8220;quorum&#8221; mode and &#8220;rollup&#8221; mode, depending on the presence of an active committee or not.<\/p>\n\n\n\n<ol><li><strong>Turbo\/Quorum Mode:<\/strong> 19 out of 20 are honest and participating. This mode is the fastest and cheapest.<\/li><li><strong>Rollup Mode:<\/strong> 2 out of 20 are honest and participating; the chain falls back to the regular optimistic rollup mode.\u00a0<\/li><li><strong>Failure Mode:<\/strong> 19 out of 20 are evil, which means a complete system breakdown.<\/li><\/ol>\n\n\n\n<p>Interestingly, this is not a new idea. As it turns out, this was the original Arbitrum design from 2018, which described a committee-based chain with a fallback mechanism to rollup.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">We could not have done this alone. Nova&#39;s inaugural Data Availability Committee includes the best in the industry across Web2 and Web3.<br><br>We&#39;re excited to welcome  <a href=\"https:\/\/twitter.com\/ConsenSys?ref_src=twsrc%5Etfw\">@ConsenSys<\/a>, <a href=\"https:\/\/twitter.com\/FTX_Official?ref_src=twsrc%5Etfw\">@FTX_Official<\/a>, <a href=\"https:\/\/twitter.com\/googlecloud?ref_src=twsrc%5Etfw\">@GoogleCloud<\/a>, <a href=\"https:\/\/twitter.com\/OffchainLabs?ref_src=twsrc%5Etfw\">@OffchainLabs<\/a>, <a href=\"https:\/\/twitter.com\/P2Pvalidator?ref_src=twsrc%5Etfw\">@P2Pvalidator<\/a>, <a href=\"https:\/\/twitter.com\/QuickNode?ref_src=twsrc%5Etfw\">@QuickNode<\/a> and <a href=\"https:\/\/twitter.com\/Reddit?ref_src=twsrc%5Etfw\">@Reddit<\/a> to the DAC. <a href=\"https:\/\/t.co\/IQWGXtTwHF\">pic.twitter.com\/IQWGXtTwHF<\/a><\/p>&mdash; Arbitrum (@arbitrum) <a href=\"https:\/\/twitter.com\/arbitrum\/status\/1557025244858224640?ref_src=twsrc%5Etfw\">August 9, 2022<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p>It is vital to choose the right members of this DAC for projects interested in running their AnyTrust chain. In a tweet on Aug 9, 2022, Arbitrum Nova officially announced the members&#8217; names in their DAC.<\/p>\n\n\n\n<p>At the time of this article, Arbitrum Nova already has several dApps on its <a href=\"https:\/\/portal.arbitrum.io\/nova\">portal, <\/a>including Reddit, FTX, and SushiSwap.&nbsp;<\/p>\n\n\n\n<p>Arbitrum also plans to upgrade its current rollup called Arbitrum One to <a href=\"https:\/\/twitter.com\/arbitrum\/status\/1555328462482817024?s=20\">Nitro<\/a> by the end of the month.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Arbitrum Nova, the new chain built on AnyTrust technology, was introduced recently by Offchain Labs, the firm behind Ethereum&#8217;s largest scaling project, Arbitrum.<\/p>\n","protected":false},"author":2,"featured_media":1086,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[55],"tags":[1629,987,68,1627,1628,1630],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.1 - 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