{"id":13241,"date":"2025-06-19T16:27:30","date_gmt":"2025-06-19T14:27:30","guid":{"rendered":"https:\/\/wsj-crypto.com\/?p=13241"},"modified":"2025-06-19T16:27:30","modified_gmt":"2025-06-19T14:27:30","slug":"berlinterop-a-new-milestone-in-ethereums-journey","status":"publish","type":"post","link":"https:\/\/wsj-crypto.com\/index.php\/2025\/06\/19\/berlinterop-a-new-milestone-in-ethereums-journey\/","title":{"rendered":"Berlinterop: A New Milestone in Ethereum’s Journey"},"content":{"rendered":"

<\/p>\n

\n

Ethereum\u2019s weekly All Core Developer discussions are quite extensive, so this “Checkpoint<\/a>” series provides high-level summaries based on current core development events. Check the earlier update here<\/a>.<\/p>\n

<\/p>\n

This is a special installment of the series!<\/p>\n

<\/p>\n

Launching Berlin Blockchain Week<\/a>, Ethereum\u2019s core developers and researchers convened for a collaborative hacking week to advance both long-term research aims and short-term execution of the Fusaka upgrade and adjustments to gas limits. During two of the days, they gathered input regarding long-term research trajectories from L2 and zk teams.<\/p>\n

<\/p>\n

\n

<\/p>\n

The most recent in-person interoperability meeting took place in Bangkok<\/a> prior to Devconnect<\/a>. Earlier interoperability sessions centered on Pectra & PeerDAS (Nyota<\/a>), Shapella & Protodanksharding (Edelweiss<\/a>), the Merge (Amphora<\/a>), and Eth2<\/a> (Ontario<\/a>)<\/p>\n

<\/p>\n

<\/g><\/svg><\/a>Short-term implementation<\/h2>\n

<\/p>\n

<\/g><\/svg><\/a>Fusaka<\/h3>\n

<\/p>\n

The interoperability event from last week, Forschungsingenieurtagung<\/a> (commonly known as Berlinterop<\/a>), concentrated on an entire week of collaborative work where developers initiated fusaka-devnet-1<\/a> on the first day and berlinterop-devnet-2<\/a> on the fifth day. Throughout this hacking event, developers identified enhancements that would be beneficial, but these couldn\u2019t be integrated into a standard \u201cfusaka-devnet-2\u201d without going through the public ACD governance process regarding these determinations, which they plan to conduct this Thursday<\/a>.<\/p>\n

<\/p>\n

Following this development, developers are set to release a fusaka-devnet-2 and, in a hopeful scenario, anticipate that a devnet-3 won\u2019t be necessary before advancing to the Sepolia testnet around the conclusion of the (boreal) summer.<\/p>\n

<\/p>\n

This week\u2019s All Core Devs Testing meeting discussed the Fusaka devnet timeline here<\/a>.<\/p>\n

<\/p>\n

<\/g><\/svg><\/a>Gas limit testing<\/h3>\n

<\/p>\n

To prepare the network for safely accommodating ambitious objectives in gas limit escalations<\/a>, developers convened to ascertain and eliminate obstacles to throughput enhancements.<\/p>\n

<\/p>\n

The week involved a stress-testing competition featuring a leaderboard, where developers were awarded points for either compromising or strengthening devnets. Special thanks to Kamil and pk910 for their valuable contributions!<\/p>\n

<\/p>\n

“`html
\n\"\"<\/p>\n

<\/p>\n

They certainly reached an agreement on a secure immediate elevated throughput level along with a strategy for even higher levels, which will be communicated from the EthPandaOps Twitter<\/a> account and in the Eth R&D Discord<\/a> once client enhancements ensuring the security of the 45M throughput level are launched within the upcoming week.<\/p>\n

<\/p>\n

This Monday\u2019s All Core Devs Testing call<\/a> focused on Berlinterop gas limit trials.<\/p>\n

<\/p>\n

<\/g><\/svg><\/a>Long-term research paths<\/h2>\n

<\/p>\n

\"\"<\/p>\n

<\/p>\n

More elaborate summaries and chronological notes from sessions concerning all the ensuing sections (and beyond!) will be shared in the following weeks in the ethereum\/pm GitHub repository<\/a>.<\/p>\n

<\/p>\n

<\/g><\/svg><\/a>Slot restructuring<\/h3>\n

<\/p>\n

Developers & researchers deliberated on two potential options for slot restructuring: reducing slot lengths and rebalancing sub-slot timings. They also examined the interactions of various proposals that influence slot configuration or are influenced by it: ePBS<\/a>, Delayed Execution<\/a>, FOCIL<\/a>.<\/p>\n

<\/p>\n

The session subsequently highlighted the advantages of shorter slot durations: improved markets with reduced stale information, leading to smaller large blocks, more competitive builder marketplaces, accelerated + more economical interop, increased leadership per second, and heightened censorship resistance.<\/p>\n

<\/p>\n

Two action points that emerged from this were to tackle outstanding queries in this PR<\/a> for preparatory merging, and to modify the language in specifications so that clients must attest once a block is confirmed and await until the 4-second mark.<\/p>\n

<\/p>\n

<\/g><\/svg><\/a>History expiry<\/h3>\n

<\/p>\n

There was promising advancement on history expiry! Anticipate a blog post here in the upcoming weeks on how validators will by default eliminate pre-merge history on mainnet \ud83c\udf89<\/p>\n

<\/p>\n

There was notable consensus on Era file criteria, and further updates will be given in the upcoming two months regarding the rolling history expiry and the execution of a distribution mechanism for dropped history. There will be a public community call<\/a> this coming Friday to discuss the future of Portal.<\/p>\n

<\/p>\n

These updates were addressed during this Monday’s All Core Devs Testing call<\/a>.<\/p>\n

<\/p>\n

\n“““html\n<\/g><\/svg><\/a>CL \uac15\ud654<\/h3>\n

<\/p>\n

\uac1c\ubc1c\uc790\ub4e4\uc740 \ud569\uc758 \uacc4\uce35\uc744 \ud30c\uad34\uc801\uc778 \uc0c1\ud669\uc5d0 \ub354\uc6b1 \uac15\ub825\ud558\uac8c \ub9cc\ub4e4\uae30 \uc704\ud574 \uac1c\uc120\ud558\uace0\uc790 \ud558\ub294 \ubd84\uc57c\ub97c \ud3c9\uac00\ud558\uc600\uace0, \uadf8 \uacb0\uacfc 26\uac1c \uac1c\uc120 \uc0ac\ud56d\uc774 \ub3c4\ucd9c\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc601\uc5ed\uc740 \ub2e4\uc74c 1\ub144 \uc774\ub0b4\uc5d0 \ub2e4\ub8e8\uc5b4\uc838\uc57c \ud558\uba70, \ube44\ucd5c\uc885 \uc0c1\ud0dc\uc5d0\uc11c \uccb4\ud06c\ud3ec\uc778\ud2b8 \ub3d9\uae30\ud654\ub97c \uc81c\uacf5\ud558\ub294 \uac83\uacfc \uac19\uc740 \uac04\ub2e8\ud55c \ud56d\ubaa9\ubd80\ud130 \ube44\ucd5c\uc885 \uae30\uac04 \ub3d9\uc548 \ud074\ub77c\uc774\uc5b8\ud2b8 \ub9ac\uc18c\uc2a4 \uc0ac\uc6a9\uc744 \ucd5c\uc801\ud654\ud558\ub294 \ubc29\ubc95\uacfc \uac19\uc740 \ub354 \ubcf5\uc7a1\ud55c \uc0ac\ud56d\uae4c\uc9c0 \ub2e4\uc591\ud569\ub2c8\ub2e4.<\/p>\n

<\/p>\n

\uc774\ub7ec\ud55c \ubcc0\ud654\ub294 \ube44\ucd5c\uc885 \uc0c1\ud0dc\uc5d0\uc11c\ub3c4 \uac74\uac15\ud55c \ub124\ud2b8\uc6cc\ud06c\ub97c \uc720\uc9c0\ud558\ub294 \ub370 \uae30\uc5ec\ud560 \uac83\uc785\ub2c8\ub2e4. #consensus-dev \ucc44\ub110\uc5d0\uc11c \uc774 \uc9c4\ud589 \uc0c1\ud669\uc744 \ud655\uc778\ud558\uc138\uc694 Eth R&D Discord<\/a> \uc11c\ubc84\uc5d0\uc11c.<\/p>\n

<\/p>\n

<\/g><\/svg><\/a>L2\uc758 \ub0a0<\/h3>\n

<\/p>\n

Arbitrum, Base, Linea, OP Labs, Polygon, Scroll, Soneium, Starkware, World Chain, ZKsync\uc758 \ub300\ud45c\uc790\ub4e4\uc774 L1\uacfc L2 \uad00\uacc4 \ucd5c\uc801\ud654\uc5d0 \ub300\ud55c \ud53c\ub4dc\ubc31\uc744 \uc81c\uacf5\ud558\uba70 \ub2e4\uc74c\uc758 \uc138 \uac00\uc9c0 \ucd08\uc810\uc744 \ud655\uc778\ud558\uc600\uc2b5\ub2c8\ub2e4:<\/p>\n

<\/p>\n

    \n
  1. L1\uc758 \uc0ac\uc6a9\uc790\ub85c\uc11c L2\uc758 \uc694\uccad: \ub354 \ub9ce\uc740 \ube14\ub86d\uacfc \ub354 \ube60\ub978 \ucd5c\uc885\uc131<\/li>\n
  2. EVM \ubcc0\uacbd\uc758 \uc774\ud574\uad00\uacc4\uc790\ub85c\uc11c L2: EVM \ub3d9\ub4f1\uc131 \ub54c\ubb38\uc5d0 \ubcc0\uacbd \uc0ac\ud56d\uc774 \uadf8\ub4e4\uc5d0\uac8c \uc601\ud5a5\uc744 \ubbf8\uce58\ubbc0\ub85c \uadf8\ub4e4\uc740 \ubc18\uc601\ub418\uace0 \uc900\ube44\ud560 \uc2dc\uac04\uc744 \uac00\uc9c0\uae30\ub97c \uc6d0\ud569\ub2c8\ub2e4. \uad6c\uccb4\uc801\uc778 \ucd08\uc810\uc73c\ub85c\ub294 calldata \uac00\uaca9 \ucc45\uc815\uacfc \ub354 \ub9ce\uc740 \ud655\uc7a5\uc131 \ud3ec\uc778\ud2b8 \ubc1c\uacac\uc774 \uc788\uc5c8\uc2b5\ub2c8\ub2e4.<\/li>\n
  3. L2\ub294 \ub192\uc740 \ucc98\ub9ac\ub7c9 \ub124\ud2b8\uc6cc\ud06c \uc6b4\uc601\uc5d0 \ub300\ud55c \ud48d\ubd80\ud55c \uc9c0\uc2dd\uc744 \ucd95\uc801\ud574\uc654\uc73c\uba70, L1\uc758 \uc2a4\ucf00\uc77c\ub9c1 \uc124\uacc4\uc5d0 \ud611\uc5c5\ud558\ub294 \ub370 \uc720\uc6a9\ud560 \uc218 \uc788\uc74c\uc744 \uc9c0\uc801\ud558\uc600\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n

    <\/p>\n

    <\/g><\/svg><\/a>ZK\uc758 \ub0a0<\/h3>\n

    <\/p>\n

    Brevis, Ethproofs, Irreducible, Kakarot, Linea, Lita, Matter Labs, OpenVM, powdr, RISC Zero, Scroll, Snarkify, Starkware, Succinct, Whirlaway, Zirkuit, Zisk, ZKM\uc758 \ub300\ud45c\uc790\ub4e4\uc740 zkEVM \ubbf8\ub798\ub97c \uc704\ud55c \uacbd\ub85c\uc5d0 \ub300\ud574 \ub2e4\uc591\ud55c \ucd08\uc810\uc5d0 \ub300\ud574 \ud611\ub825\ud558\uc600\uc2b5\ub2c8\ub2e4:<\/p>\n

    <\/p>\n

      \n
    1. \uac8c\uc2a4\ud2b8 \ud504\ub85c\uadf8\ub7a8 & \uc6d0\ud615 \u2013 \ud300\ub4e4\uc740 \ud2b9\uc815 ISA\ub97c \uc815\ub9bd\ud558\uae30\uc5d0\ub294 \ub108\ubb34 \uc774\ub974\ub2e4\uace0 \ub9cc\uc7a5\uc77c\uce58\ub85c \ub3d9\uc758\ud588\uc2b5\ub2c8\ub2e4. \uadf8\ub4e4\uc740 \uc77c\ubc18 RISC-V \ub300\uc0c1\uc744 \uc720\uc9c0\ud558\ub294 \uac83\uc744 \uc120\ud638\ud569\ub2c8\ub2e4 (riscv64gc-unknown-linux-elf<\/span>). Nethermind\ub294 \ucef4\ud30c\uc77c \uac00\ub2a5\ud55c \uc2e4\ud589 \uacc4\uce35 \uac8c\uc2a4\ud2b8\ub97c \uc6d0\ud558\uba70, \uc790\uc2e0\ub4e4\uc774 \uc791\uc5c5 \uc911\uc778 zkvm \ubca4\uce58\ub9c8\ud0b9 \ud504\ub808\uc784\uc6cc\ud06c\uc640 \ud568\uaed8 \ud611\ub825\ud558\uae30\ub97c \ud76c\ub9dd\ud569\ub2c8\ub2e4. \ud574\uc2dc \uc120\ud0dd\uc740 \uc5ec\uc804\ud788 \uc5f4\ub824 \uc788\uc2b5\ub2c8\ub2e4: poseidon2 \ub610\ub294 \ud2b9\uc815 \ud544\ub4dc\uc5d0 \ub300\ud55c \ud569\uc758\uac00 \uc5c6\uc2b5\ub2c8\ub2e4.<\/li>\n
    2. \ud45c\uc900\ud654 + \ubcf4\uc548 \u2013 \uc2dc\uc2a4\ud15c \ud638\ucd9c \ubc0f \uc0ac\uc804 \ucef4\ud30c\uc77c\uc744 \ud638\ucd9c\ud558\ub294 \uacf5\uc720 Rust \ub77c\uc774\ube0c\ub7ec\ub9ac \uc8fc\ubcc0\uc5d0\uc11c \ud45c\uc900\ud654\ub97c \uc9c0\uc6d0\ud588\uc2b5\ub2c8\ub2e4. 300KB \uc99d\uba85\uc774 \ud569\ub9ac\uc801\uc774\ub77c\ub294 \ub370 \ud569\uc758\uac00 \uc788\uc5c8\uace0, groth16 \ub798\ud37c\ub294 \uc0ad\uc81c\ub420 \uc218 \uc788\ub2e4\uace0 \ubd24\uc2b5\ub2c8\ub2e4.<\/li>\n
    3. zk-\ubb34\uc0c1\ud0dc \ud074\ub77c\uc774\uc5b8\ud2b8 \ub85c\ub4dc\ub9f5 \u2013 \uc5f0\ub9d0 \ubaa9\ud45c\ub294 zk-\uac80\uc99d\ub41c \ubb34\uc0c1\ud0dc \ud074\ub77c\uc774\uc5b8\ud2b8 (Reth\uc5d0\uc11c \uc2dc\uc791)\uc785\ub2c8\ub2e4; \uac00\uc7a5 \ud070 \uc9c8\ubb38\uc740 \uac80\uc5f4 \uc800\ud56d \uc0c1\ud0dc \ucd9c\ucc98\uc640 provers\uc758 \ubcf4\uc0c1\/\uc815\ub82c \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/li>\n<\/ol>\n

      <\/p>\n

      <\/g><\/svg><\/a>\uc694\uc57d<\/h2>\n

      <\/p>\n

      \uc0c1\ud638\uc6b4\uc6a9 \uc8fc\uac04\uc740 \ube44\ub3d9\uae30 \ud1b5\uc2e0 \uc7a5\ubcbd\uc744 \uc81c\uac70\ud558\uace0 \uac1c\ubc1c\uc790 \ubc0f \uc5f0\uad6c\uc6d0 \uac04\uc5d0 \uc804\uc5fc\uc801\uc778 \ub3d9\uae30\ub97c \ucc3d\ucd9c\ud558\uc5ec \ub9e4\uc6b0 \uc0dd\uc0b0\uc801\uc785\ub2c8\ub2e4 – \uc6d4\uc744 \uc18c\uc694\ud558\ub358 \uc5ec\ub7ec \uc0ac\ud56d\ub4e4\uc774 \uc9c0\ub09c \uc8fc\uc5d0 \ud070 \ucd94\uc9c4\ub825\uc744 \uc5bb\uc5c8\uc2b5\ub2c8\ub2e4. L2 \ubc0f zk \ud300\uacfc\uc758 \ub300\uba74 \uc138\uc158\uc740 \ub610\ud55c \ub113\uc740 \uc774\ud574\uad00\uacc4\uc790 \ud53c\ub4dc\ubc31\uc73c\ub85c \uc57c\uc2ec\ucc2c \uc5f0\uad6c \ubc29\ud5a5\uc744 \uc815\ub9bd\ud558\ub294 \ub370 \uc720\uc775\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n

      <\/p>\n

      \ud604\uc7ac \uac1c\ubc1c \uc0c1\ud669\uc5d0 \ub300\ud574\uc11c\ub294\u2026 \uc815\ub9d0\ub85c 2025\ub144 \uc911\uc21c\uc5d0 Fusaka\ub97c \ubcf4\uac8c \ub420 \uac83\uc774\ub77c\ub294 \uc0dd\uac01\uc774 \ub4ed\ub2c8\ub2e4!<\/p>\n<\/div>\n


      \n
      \ucd9c\ucc98 \ub9c1\ud06c <\/a>
      \n“`<\/p>\n","protected":false},"excerpt":{"rendered":"

      Ethereum\u2019s weekly All Core Developer discussions are quite extensive, so this “Checkpoint” series provides high-level summaries based on current core development events. Check the earlier update here. This is a special installment of the series! Launching Berlin Blockchain Week, Ethereum\u2019s core developers and researchers convened for a collaborative hacking week to advance both long-term research<\/p>\n","protected":false},"author":3,"featured_media":10230,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[2771],"class_list":{"0":"post-13241","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-ethereum","8":"tag-return-a-list-of-comma-separated-tags-from-this-title-checkpoint-4-berlinterop-ethereum-foundation-blog"},"yoast_head":"\nBerlinterop: A New Milestone in Ethereum's Journey - 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\/2025\/06\/19\/berlinterop-a-new-milestone-in-ethereums-journey\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Berlinterop: A New Milestone in Ethereum's Journey - WSJ-Crypto\" \/>\n<meta property=\"og:description\" content=\"Ethereum\u2019s weekly All Core Developer discussions are quite extensive, so this “Checkpoint” series provides high-level summaries based on current core development events. 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