{"id":6726,"date":"2024-12-30T01:21:33","date_gmt":"2024-12-30T00:21:33","guid":{"rendered":"https:\/\/wsj-crypto.com\/?p=6726"},"modified":"2024-12-30T01:21:33","modified_gmt":"2024-12-30T00:21:33","slug":"amphora-celebrating-a-significant-milestone-in-merging-progress","status":"publish","type":"post","link":"https:\/\/wsj-crypto.com\/index.php\/2024\/12\/30\/amphora-celebrating-a-significant-milestone-in-merging-progress\/","title":{"rendered":"Amphora: Celebrating a Significant Milestone in Merging Progress"},"content":{"rendered":"<p><\/p>\n<div id=\"\">\n<p class=\"chakra-text css-gi02ar\">Earlier this year, the <!-- --><a class=\"chakra-link css-ug8vf0\" href=\"https:\/\/blog.ethereum.org\/2021\/05\/25\/finalized-no-26\">Rayonism hackathon<!-- --><\/a> commenced to prototype the framework for Ethereum&#8217;s shift to proof of stake. This transition, frequently referred to as The Merge, will retain the current beacon chain (eth2) and execution layer (eth1) clients, and &#8220;combine&#8221; both chains by allowing the beacon chain to govern the execution layer&#8217;s consensus. This methodology is the latest in a succession of developments to the Ethereum roadmap (further details can be found <!-- --><a target=\"_blank\" rel=\"noopener\" class=\"chakra-link css-ug8vf0\" href=\"https:\/\/tim.mirror.xyz\/CHQtTJb1NDxCK41JpULL-zAJe7YOtw-m4UDw6KDju6c\">here<!-- --><\/a>).<!-- --><\/p>\n<p><!-- --><\/p>\n<p class=\"chakra-text css-gi02ar\">Although Rayonism demonstrated this to be a viable architecture, there remained numerous aspects to be designed, executed, and evaluated, including the actual transition from proof of work (PoW) to proof of stake (PoS). In order to facilitate this, client teams convened in person last week (similar to the <!-- --><a class=\"chakra-link css-ug8vf0\" href=\"https:\/\/blog.ethereum.org\/2019\/09\/19\/eth2-interop-in-review\">Eth2 Interop from 2019<!-- --><\/a>) for a workshop dubbed Amphora \ud83c\udffa.<!-- --><\/p>\n<p><!-- --><\/p>\n<p class=\"chakra-text css-gi02ar\">Presented below is a summary of the primary achievements during the workshop, in addition to the roadmap leading to The Merge.<!-- --><\/p>\n<p><!-- --><\/p>\n<p class=\"chakra-text css-gi02ar\">\n<p><!-- --><\/p>\n<h2 class=\"chakra-heading css-1w54o5f\" id=\"amphora-milestones\">Amphora Milestones<!-- --><\/h2>\n<p><!-- --><\/p>\n<p class=\"chakra-text css-gi02ar\">The objective of the event was to enable the execution and consensus layer client teams to resolve outstanding challenges in the specifications and establish a series of development milestones. Each milestone advanced clients towards a fully operational merge devnet transitioning from PoW to PoS. Attending the workshop in person were representatives from Besu, Erigon, EthereumJS, Geth, Nethermind, Nimbus, Lighthouse, Lodestar, Quilt, and Teku. The Prysm team, alongside various members from the aforementioned teams, participated online.<!-- --><\/p>\n<p><!-- --><\/p>\n<p class=\"chakra-text css-gi02ar\">The <!-- --><a target=\"_blank\" rel=\"noopener\" class=\"chakra-link css-ug8vf0\" href=\"https:\/\/hackmd.io\/@tvanepps\/amphora-milestones\">Amphora Milestones<!-- --><\/a> sought to firstly ensure that clients aligned with the specifications, then progressively introduce greater complexity while ultimately increasing the number of clients they could interoperate with.<!-- --><\/p>\n<p><!-- --><\/p>\n<p class=\"chakra-text css-gi02ar\">The initial milestone, M1, only mandated clients to enact the merge specification. Most teams accomplished this even before the workshop commenced! To assist clients in confirming their implementations, <!-- --><a target=\"_blank\" rel=\"noopener\" class=\"chakra-link css-ug8vf0\" href=\"https:\/\/notes.ethereum.org\/@9AeMAlpyQYaAAyuj47BzRw\/rkwW3ceVY\">several<!-- --><\/a> &#8211; <!-- --><a target=\"_blank\" rel=\"noopener\" class=\"chakra-link css-ug8vf0\" href=\"https:\/\/github.com\/ethereum\/consensus-specs\/releases\">testing<!-- --><\/a> &#8211; <!-- --><a target=\"_blank\" rel=\"noopener\" class=\"chakra-link css-ug8vf0\" href=\"https:\/\/github.com\/protolambda\/mergemock\">suites<!-- --><\/a> were made available.<!-- --><\/p>\n<p><!-- --><\/p>\n<p class=\"chakra-text css-gi02ar\">Subsequently, milestones M2, M3, and M4 involved client teams establishing devnets with increasing technical intricacy and node variety. M2 required execution layer (EL) and consensus layer (CL) teams to collaborate one-on-one to launch a post-merge devnet. This confirmed that both layers could effectively communicate through the <!-- --><a target=\"_blank\" rel=\"noopener\" class=\"chakra-link css-ug8vf0\" href=\"https:\/\/github.com\/ethereum\/execution-apis\/blob\/main\/src\/engine\/interop\/specification.md\">Engine API<!-- --><\/a> within a PoS framework.<!-- --><\/p>\n<p><!-- --><\/p>\n<p class=\"chakra-text css-gi02ar\">M3 marked a progression from the Rayonism workshop: clients established ephemeral devnets that navigated the PoW to PoS transition.<!-- --><\/p>\n<p><!-- --><\/p>\n<p class=\"chakra-text css-gi02ar\">The transition relied on PoW difficulty: once a block&#8217;s difficulty met or surpassed a designated threshold known as <!-- --><span class=\"chakra-text css-ons8vw\">TERMINAL_TOTAL_DIFFICULTY<\/span>, or <!-- --><span class=\"chakra-text css-ons8vw\">TTD<\/span>, it is deemed the final PoW block. The execution layer then commenced monitoring the PoS consensus layer for new blocks. To validate the robustness of each team&#8217;s implementation, EL teams were required to connect with two CL clients and vice versa to pass M3.<!-- --><\/p>\n<p><!-- --><\/p>\n<p class=\"chakra-text css-gi02ar\">M4 represented the actual target of the event: to facilitate multiple EL &amp; CL clients on a devnet that traversed the entirety of the PoW to PoS transition. In essence, while M3 focused on one-to-one devnets, M4 emphasized many-to-many interactions.<!-- --><\/p>\n<p><!-- --><\/p>\n<p class=\"chakra-text css-gi02ar\">We accomplished this with a subset of the teams prior to the workshop\u2019s conclusion, leading us to pursue our ambitious goal: M5.<!-- --><\/p>\n<p><!-- --><\/p>\n<h3 class=\"chakra-heading css-145upk7\" id=\"lasting-artifacts\">Lasting Artifacts<!-- --><\/h3>\n<p><!-- --><\/p>\n<p class=\"chakra-text css-gi02ar\">This milestone aimed to evolve Amphora from a fleeting event into a long(er)-lived infrastructure available for community utilization. M5 necessitated client teams to initiate a devnet that would not only execute the entire transition with every combination of clients but would also endure beyond the Amphora event.<!-- --><\/p>\n<p><!-- --><\/p>\n<p class=\"chakra-text css-gi02ar\">On the final day of the workshop, moments before the last dinner was served, M5 was reached: a network of 10,000 validators across 100 nodes and various client implementations launched under PoW, achieved the <!-- --><span class=\"chakra-text css-ons8vw\">TERMINAL_TOTAL_DIFFICULTY<\/span>, transitioned to PoS, and successfully finalized the chain \ud83c\udf89!<!-- --><\/p>\n<p><!-- --><\/p>\n<p class=\"chakra-text css-gi02ar\"><img decoding=\"async\" alt=\"\" src=\"https:\/\/blog.ethereum.org\/images\/posts\/upload_8df27e4f68a6391c4baa2d87adf014e5.jpg\" class=\"chakra-image css-hw6q2r\"\/><\/p>\n<p><!-- --><\/p>\n<blockquote class=\"chakra-code css-1cl98my\"><p>\n<!-- --><\/p>\n<p class=\"chakra-text css-gi02ar\">The M5 devnet successfully finalizes post-merge, minutes before the workshop&#8217;s closing dinner. Photo by Ben Edgington.<!-- --><\/p>\n<p><!-- --><\/p><\/blockquote>\n<p><!-- --><\/p>\n<h2 class=\"chakra-heading css-1w54o5f\" id=\"beyond-amphora\">Beyond Amphora<!-- --><\/h2>\n<p><!-- --><\/p>\n<p class=\"chakra-text css-gi02ar\">The achievements of Amphora generate significant momentum for The Merge. Client teams now have a <!-- --><a target=\"_blank\" rel=\"noopener\" class=\"chakra-link css-ug8vf0\" href=\"https:\/\/github.com\/ethereum\/pm\/blob\/master\/Merge\/mainnet-readiness.md\">definite list of tasks<!-- --><\/a> to tackle, and substantial progress has been made to engage with a broader segment of the Ethereum community.<!-- --><\/p>\n<p><!-- --><\/p>\n<p class=\"chakra-text css-gi02ar\">Yesterday, a more stable iteration of the M5 Amphora devnet, <!-- --><a target=\"_blank\" rel=\"noopener\" class=\"chakra-link css-ug8vf0\" href=\"https:\/\/github.com\/parithosh\/consensus-deployment-ansible\/blob\/master\/README.md\">Pithos<!-- --><\/a>, was introduced. With this network now operational (explorer <!-- --><a target=\"_blank\" rel=\"noopener\" class=\"chakra-link css-ug8vf0\" href=\"https:\/\/pithos-explorer.ethdevops.io\/\">here<!-- --><\/a>), anticipate public discussions on how developer tools and other essential Ethereum infrastructure can optimally prepare for the PoW to PoS transition.<!-- --><\/p>\n<p><!-- --><\/p>\n<p class=\"chakra-text css-gi02ar\">Client teams and researchers will continue refining The Merge specifications to address issues identified during Amphora and act upon community feedback. In a few weeks, the specifications should be finalized, followed shortly thereafter by a new stable testnet being launched.<!-- --><\/p>\n<p><!-- --><\/p>\n<h2 class=\"chakra-heading css-1w54o5f\" id=\"thank-you\">Thank you<!-- --><\/h2>\n<p><!-- --><\/p>\n<p class=\"chakra-text css-gi02ar\">The accomplishments during Amphora surpassed all expectations. For this, we extend our gratitude to the client teams and researchers, without whom none of the specifications would have been crafted or executed.<!-- --><\/p>\n<p><!-- --><\/p>\n<p class=\"chakra-text css-gi02ar\">Furthermore, thanks to <!-- --><a target=\"_blank\" rel=\"noopener\" class=\"chakra-link css-ug8vf0\" href=\"https:\/\/consensys.net\/blog\/ethereum-2-0\/an-update-on-the-merge-after-the-amphora-interop-event-in-greece\/\">ConsenSys<!-- --><\/a>, <!-- --><a target=\"_blank\" rel=\"noopener\" class=\"chakra-link css-ug8vf0\" href=\"https:\/\/medium.com\/chainsafe-systems\/a-lodestar-for-ethereum-consensus-1-c2ad6a7b46d9\">Chainsafe<!-- --><\/a> and <!-- --><a target=\"_blank\" rel=\"noopener\" class=\"chakra-link css-ug8vf0\" href=\"https:\/\/hackmd.io\/@benjaminion\/wnie2_211008\">Ben Edgington<!-- --><\/a> for their outstanding coverage of the workshop.<!-- --><\/p>\n<\/div>\n<p><br \/>\n<br \/><a href=\"https:\/\/blog.ethereum.org\/en\/2021\/10\/15\/amphora-merge-milestone\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Earlier this year, the Rayonism hackathon commenced to prototype the framework for Ethereum&#8217;s shift to proof of stake. This transition, frequently referred to as The Merge, will retain the current beacon chain (eth2) and execution layer (eth1) clients, and &#8220;combine&#8221; both chains by allowing the beacon chain to govern the execution layer&#8217;s consensus. This methodology<\/p>\n","protected":false},"author":3,"featured_media":6727,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[645],"class_list":["post-6726","post","type-post","status-publish","format-standard","has-post-thumbnail","category-ethereum","tag-return-a-list-of-comma-separated-tags-from-this-title-amphora-a-major-merge-milestone"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Amphora: Celebrating a Significant Milestone in Merging Progress - WSJ-Crypto<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/wsj-crypto.com\/index.php\/2024\/12\/30\/amphora-celebrating-a-significant-milestone-in-merging-progress\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Amphora: Celebrating a Significant Milestone in Merging Progress - WSJ-Crypto\" \/>\n<meta property=\"og:description\" content=\"Earlier this year, the Rayonism hackathon commenced to prototype the framework for Ethereum&#8217;s shift to proof of stake. 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