Layer 2 networks have become one of the most important solutions for blockchain scalability.<\/p>\n\n\n\n
By moving transaction execution away from the main blockchain, rollups can process activity faster and at a lower cost while using the underlying network for settlement and security.<\/p>\n\n\n\n
But one component remains particularly important: the sequencer<\/strong>.<\/p>\n\n\n\n Many rollups rely on centralized sequencers to collect, order, and execute transactions.<\/p>\n\n\n\n Based Rollups<\/strong> introduce a different approach by using the underlying Layer 1 blockchain itself to help coordinate transaction sequencing.<\/p>\n\n\n\n This design could make Layer 2 networks more decentralized while creating tighter integration between the rollup and its settlement layer.<\/p>\n\n\n\n A Based Rollup is a rollup where transaction sequencing is primarily coordinated by the underlying Layer 1 rather than by a separate centralized sequencer.<\/p>\n\n\n\n Instead of maintaining an independent sequencing system, the rollup can leverage Layer 1 block producers to determine the ordering of transactions.<\/p>\n\n\n\n The execution of those transactions still happens on Layer 2, but the ordering process becomes more closely connected to the base blockchain.<\/p>\n\n\n\n In simple terms:<\/p>\n\n\n\n Layer 2 execution + Layer 1 sequencing<\/strong><\/p>\n\n\n\n This creates a different architecture from traditional rollups that operate their own dedicated sequencer.<\/p>\n\n\n\n Using the underlying Layer 1 for sequencing can reduce reliance on a single centralized sequencer.<\/p>\n\n\n\n Because transaction ordering is connected to the base network, it can potentially inherit some of its censorship-resistance properties.<\/p>\n\n\n\n Rollups may not need to maintain a completely separate sequencing network.<\/p>\n\n\n\n A based rollup can have stronger economic and technical alignment with the blockchain that ultimately provides its settlement and security.<\/p>\n\n\n\n A typical based rollup architecture includes several key components:<\/p>\n\n\n\n \ud83d\udd39 Users<\/strong><\/p>\n\n\n\n Submit transactions to the rollup.<\/p>\n\n\n\n \ud83d\udd39 Layer 1 Block Producers<\/strong><\/p>\n\n\n\n Help determine the ordering of rollup transactions through the underlying blockchain.<\/p>\n\n\n\n \ud83d\udd39 Layer 2 Execution<\/strong><\/p>\n\n\n\n The rollup processes the ordered transactions and updates its state.<\/p>\n\n\n\n \ud83d\udd39 Settlement & Verification<\/strong><\/p>\n\n\n\n The resulting state is ultimately verified or committed through the underlying Layer 1.<\/p>\n\n\n\n This allows sequencing and execution to be separated while keeping the ordering process closely connected to the base layer.<\/p>\n\n\n\n Traditional rollups often use a dedicated sequencer because it can provide fast transaction processing and a smoother user experience.<\/p>\n\n\n\n However, this architecture can introduce a potential point of centralization.<\/p>\n\n\n\n A centralized sequencer may control transaction ordering and could become an important dependency for the network.<\/p>\n\n\n\n Based Rollups approach the problem differently.<\/p>\n\n\n\n Rather than creating a separate sequencing authority, they leverage the existing Layer 1 block-production process.<\/p>\n\n\n\n This can improve decentralization, although it may also introduce different trade-offs around latency, economics, and transaction ordering.<\/p>\n\n\n\n DeFi<\/strong><\/p>\n\n\n\n Based Rollups can provide scalable execution while maintaining a closer connection to the security and sequencing environment of the underlying blockchain.<\/p>\n\n\n\n High-Throughput Applications<\/strong><\/p>\n\n\n\n Applications can benefit from Layer 2 execution without requiring an entirely independent sequencing ecosystem.<\/p>\n\n\n\n Modular Blockchain Infrastructure<\/strong><\/p>\n\n\n\n Based Rollups fit naturally into modular architectures where execution and settlement are separated into specialized layers.<\/p>\n\n\n\n Ethereum Scaling<\/strong><\/p>\n\n\n\n The model can help expand Layer 2 capacity while keeping sequencing more tightly integrated with Ethereum’s base layer.<\/p>\n\n\n\n Based Rollups also face several important challenges:<\/p>\n\n\n\n One major trade-off is that relying more heavily on the Layer 1 can limit some of the flexibility that a dedicated sequencer provides.<\/p>\n\n\n\n The challenge is finding the right balance between decentralization, speed, efficiency, and economic sustainability.<\/p>\n\n\n\n As Layer 2 ecosystems mature, there may not be a single architecture that works for every application.<\/p>\n\n\n\n Some rollups may prefer dedicated sequencers.<\/p>\n\n\n\n Others may use shared sequencing systems.<\/p>\n\n\n\n Based Rollups represent another path: using the underlying blockchain itself as part of the sequencing infrastructure.<\/strong><\/p>\n\n\n\n This approach could make Layer 2 networks more closely integrated with their base layer while reducing the need for additional trusted infrastructure.<\/p>\n\n\n\n As blockchain architectures become increasingly modular, sequencing will continue to be an important area of innovation.<\/p>\n\n\n\n The future is integrated:<\/p>\n\n\n\n Layer 2 networks may scale blockchain execution without separating themselves completely from the decentralized infrastructure that secures them.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":" Layer 2 networks have become one of the most important solutions for blockchain scalability. By moving transaction execution away from the main blockchain, rollups can process activity faster and at a lower cost while using the underlying network for settlement and security. But one component remains particularly important: the sequencer. Many rollups rely on centralized […]<\/p>\n","protected":false},"author":2,"featured_media":384,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-383","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/chainwiser.com\/blog\/wp-json\/wp\/v2\/posts\/383","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chainwiser.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chainwiser.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chainwiser.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/chainwiser.com\/blog\/wp-json\/wp\/v2\/comments?post=383"}],"version-history":[{"count":1,"href":"https:\/\/chainwiser.com\/blog\/wp-json\/wp\/v2\/posts\/383\/revisions"}],"predecessor-version":[{"id":385,"href":"https:\/\/chainwiser.com\/blog\/wp-json\/wp\/v2\/posts\/383\/revisions\/385"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chainwiser.com\/blog\/wp-json\/wp\/v2\/media\/384"}],"wp:attachment":[{"href":"https:\/\/chainwiser.com\/blog\/wp-json\/wp\/v2\/media?parent=383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chainwiser.com\/blog\/wp-json\/wp\/v2\/categories?post=383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chainwiser.com\/blog\/wp-json\/wp\/v2\/tags?post=383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n\n\n\nWhat Is a Based Rollup?<\/h2>\n\n\n\n
\n\n\n\nWhy It Matters<\/h2>\n\n\n\n
1\ufe0f\u20e3 Greater Decentralization<\/h3>\n\n\n\n
2\ufe0f\u20e3 Stronger Censorship Resistance<\/h3>\n\n\n\n
3\ufe0f\u20e3 Simplified Infrastructure<\/h3>\n\n\n\n
4\ufe0f\u20e3 Better Alignment With Layer 1<\/h3>\n\n\n\n
\n\n\n\nHow It Works<\/h2>\n\n\n\n
\n\n\n\nBased Rollups vs. Centralized Sequencers<\/h2>\n\n\n\n
\n\n\n\nUse Cases<\/h2>\n\n\n\n
\n\n\n\nChallenges<\/h2>\n\n\n\n
\n
\n\n\n\nThe Future of Rollup Architecture<\/h2>\n\n\n\n