Vitalik Says New Ethereum Rule Could Cut Confirmations To 12 Seconds

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Mar 18

Trusted Editorial content, reviewed by leading industry experts and seasoned editors. Ad Disclosure Vitalik Buterin says a new “fast confirmation rule” for Ethereum could give users a hard guarantee ...

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Ad Disclosure\n\nVitalik Buterin says a new “fast confirmation rule” for Ethereum could give users a hard guarantee ...</p>\n\n<a href=\"https://bitcoinist.com/vitalik-ethereum-cut-confirmations-12-seconds/\">Source Link</a>\n\n</div>\n","source":"bitcoinist_highlight","html":"<!DOCTYPE html>\n<html>\n<head>\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />\n<meta name=\"viewport\" content=\"width=device-width,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no\"/>\n<meta name=\"format-detection\" content=\"telephone=no,email=no,address=no\" />\n<title>Vitalik Says New Ethereum Rule Could Cut Confirmations To 12 Seconds</title>\n<style type=\"text/css\">\na,abbr,acronym,address,applet,article,aside,audio,b,big,blockquote,body,canvas,caption,center,cite,code,dd,del,details,dfn,div,dl,dt,\nem,embed,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,\nobject,ol,output,p,pre,q,ruby,s,samp,section,small,span,strike,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,tt,u,ul,var,video{ font:inherit;margin:0;padding:0;vertical-align:baseline;border:0 }\nbody{ font-size:16px; line-height:1.5; color:#999; background:transparent; }\n.wrapper{ overflow:hidden;word-break:break-all;padding:10px; }\nh1,h2{ font-weight:normal; line-height:1.35; margin-bottom:.6em; }\nh3,h4,h5,h6{ line-height:1.35; margin-bottom:1em; }\nh1{ font-size:24px; }\nh2{ font-size:20px; }\nh3{ font-size:18px; }\nh4{ font-size:16px; }\nh5{ font-size:14px; }\nh6{ font-size:12px; }\np,ul,ol,blockquote,dl,table{ margin:1.2em 0; }\nul,ol{ margin-left:2em; }\nul{ list-style:disc; }\nol{ list-style:decimal; }\nli,li p{ margin:10px 0;}\nimg{ max-width:100%;display:block;margin:0 auto 1em; }\nblockquote{ color:#B5B2B1; border-left:3px solid #aaa; padding:1em; }\nstrong,b{font-weight:bold;}\nem,i{font-style:italic;}\ntable{ width:100%;border-collapse:collapse;border-spacing:1px;margin:1em 0;font-size:.9em; }\nth,td{ padding:5px;text-align:left;border:1px solid #aaa; }\nth{ font-weight:bold;background:#5d5d5d; }\n.symbol-link{font-weight:bold;}\n/* header{ border-bottom:1px solid #494756; } */\n.title{ margin:0 0 8px;line-height:1.3;color:#ddd; }\n.meta {color:#5e5c6d;font-size:13px;margin:0 0 .5em; }\na{text-decoration:none; color:#2a4b87;}\n.meta .head { display: inline-block; overflow: hidden}\n.head .h-thumb { width: 30px; height: 30px; margin: 0; padding: 0; border-radius: 50%; float: left;}\n.head .h-content { margin: 0; padding: 0 0 0 9px; float: left;}\n.head .h-name {font-size: 13px; color: #eee; margin: 0;}\n.head .h-time {font-size: 11px; color: #7E829C; margin: 0;line-height: 11px;}\n.small {font-size: 12.5px; display: inline-block; transform: scale(0.9); -webkit-transform: scale(0.9); transform-origin: left; -webkit-transform-origin: left;}\n.smaller {font-size: 12.5px; display: inline-block; transform: scale(0.8); -webkit-transform: scale(0.8); transform-origin: left; -webkit-transform-origin: left;}\n.bt-text {font-size: 12px;margin: 1.5em 0 0 0}\n.bt-text p {margin: 0}\n</style>\n</head>\n<body>\n<div class=\"wrapper\">\n<header>\n<h2 class=\"title\">\nVitalik Says New Ethereum Rule Could Cut Confirmations To 12 Seconds\n</h2>\n\n<h4 class=\"meta\">\n\n\n2026-03-18 21:00 GMT+8&nbsp;&nbsp;&nbsp;<a href=https://bitcoinist.com/vitalik-ethereum-cut-confirmations-12-seconds/><strong>Bitcoinist</strong></a>\n\n\n</h4>\n\n</header>\n<article>\n<div>\n<p>Trusted Editorial content, reviewed by leading industry experts and seasoned editors. Ad Disclosure\n\nVitalik Buterin says a new “fast confirmation rule” for Ethereum could give users a hard guarantee ...</p>\n\n<a href=\"https://bitcoinist.com/vitalik-ethereum-cut-confirmations-12-seconds/\">Source Link</a>\n\n</div>\n\n\n</article>\n</div>\n</body>\n</html>\n","isBrief":false,"type":0,"news_type":1,"symbol":"EZET","symbol_name":"以太坊ETF-Franklin","start_time":0,"source_url":"https://bitcoinist.com/vitalik-ethereum-cut-confirmations-12-seconds/","article_id":"2620268676","we_media_id":null,"thumbnails":["https://bitcoinist.com/wp-content/uploads/2026/03/ChatGPT-Image-Mar-18-2026-08_15_55-AM.png?resize=350%2C250"],"rights":{"source":"bitcoinist_highlight","url":"https://bitcoinist.com/vitalik-ethereum-cut-confirmations-12-seconds/","rn_cache_url":null,"directOrigin":true},"url":"https://stock-news.laohu8.com/highlight/detail?id=2620268676","pubTimestamp":1773838836,"columns":[],"sourceInfo":{"source_id":"bitcoinist_highlight","name":"Bitcoinst"},"weMediaInfo":null,"summary":"Vitalik Buterin says a new “fast confirmation rule” for Ethereum could give users a hard guarantee that a block will...","collect":0,"end_time":0,"defaultTopTitle":"bitcoinist.com","property":[],"viewcount":null,"language":"en","relate_stocks":{"EZET":"以太坊ETF-Franklin","ETHW":"以太坊ETF-Bitwise","ETH":"低成本以太坊ETF-Grayscale","ETHA":"以太坊ETF-iShares","YETH":"Roundhill Ether Covered Call Strategy ETF","QETH":"以太坊ETF-Invesco Galaxy","ETHD":"ProShares UltraShort Ether ETF","EETH":"以太币期货ETF-ProShares","FETH":"以太币ETF-Fidelity","ETQ":"T-Rex 2X Inverse Ether Daily Target ETF","ETHE":"最大以太坊ETF-Grayscale","ETHI":"Defiance Leveraged Long Income Ethereum ETF","ETCO":"Grayscale Ethereum Covered Call ETF","ETU":"T-Rex 2X Long Ether Daily Target ETF","ETHT":"ProShares Ultra Ether ETF","BTF":"比特币&以太币期货ETF-CoinShares","SETH":"1倍做空以太币期货ETF-Proshares","ETHU":"2倍以太币期货ETF-Volatility Shares","ETHV":"以太坊ETF-VanEck"},"translate_title":"Vitalik表示以太币新规则可能会将确认时间缩短至12秒","themeId":null,"isJumpTheme":false,"ttsUrl":null,"symbols_score_info":{"ETHW":0.6,"ETHI":0.6,"ETHU":0.6,"EZET":0.6,"ETQ":0.6,"ETH":0.6,"ETCO":0.6,"FETH":0.6,"ETHD":0.6,"ETHE":0.6,"YETH":0.6,"QETH":0.6,"ETU":0.6,"ETHV":0.6,"SETH":0.6,"ETHA":0.6,"ETHT":0.6,"BTF":0.6,"EETH":0.6},"content_text":"Trusted Editorial content, reviewed by leading industry experts and seasoned editors. Ad Disclosure\n\nVitalik Buterin says a new “fast confirmation rule” for Ethereum could give users a hard guarantee that a block will not be reverted after a single slot, or roughly 12 seconds, a change that would sharply reduce one of the network’s biggest practical frictions for exchanges, bridges and Layer-2 systems.\nThe proposal, described publicly by Ethereum Foundation researcher Julian Ma and endorsed by Buterin on X, is designed to narrow the gap between Ethereum’s strong security model and the slower confirmation times that still shape user experience across the ecosystem. In Buterin’s words, the mechanism “lets you get a hard guarantee that Ethereum will not revert after one slot (12 seconds). Security assumptions are (i) supermajority honest, (ii) network latency under ~3s. So one step below economic finality, but very strong for many use cases.”\n\n\n\n\n\n\nNew Ethereum Rule For Faster Confirmations\nThat distinction matters. Ethereum finality remains the chain’s strongest settlement guarantee, but it comes with a much longer wait time. Ma said the fast confirmation rule, or FCR, cuts deposit times from Ethereum mainnet to L2s and centralized exchanges to about 13 seconds, which he described as an “80-98% reduction for most L2s and exchanges.”\nRelated Reading: Ethereum Remains The Top Network For Tokenized Assets As Adoption Grows\nFor users, the immediate consequence is speed. For infrastructure providers, the bigger story is efficiency. Ma argued that slow mainnet confirmation has forced exchanges, bridges and rollups to operate around delay and uncertainty, especially when handling deposits or syncing market activity across chains. “Bridging funds from Ethereum to L2s and centralized exchanges is slow. Users wait minutes when using the canonical bridges,” he wrote. “The new Fast Confirmation Rule (FCR) solves that. It reduces deposit time from Ethereum L1 to L2s or exchanges to about 13 seconds.”\nHe added that the rule is expected to become “the new industry standard for L2s and exchanges,” and said it can begin rolling out in the coming months without a hard fork. That is a notable design choice. Rather than introducing a consensus change that requires network-wide coordination, FCR can be activated as clients implement it, with nodes able to run the rule automatically once support is live.\n\n\n\n\n\n\n\n\n\n\n\n\nRelated Reading: Ethereum Leverage Climbs After Historic Liquidation Event – New Cycle Starting?\nMa’s explanation frames FCR as a middle ground between today’s heuristics and Ethereum’s formal finality. Most exchanges, L2s and solvers do not wait for finality now. Instead, they rely on a block-depth rule, or “k-deep,” essentially waiting for a transaction to be buried under enough subsequent blocks. FCR takes a different route: it counts attestations rather than blocks. According to Ma, that makes it structurally faster while also giving it a provable security model that k-deep lacks.\nThe trade-off is explicit. A fast-confirmed block is not finalized, and the guarantee depends on stricter assumptions than finality does. FCR assumes a synchronous network, which in practice means attestations arrive within about eight seconds, and it assumes no adversary controls more than 25% of staked ETH. Finality, by contrast, is designed to hold under asynchrony and up to a 33% adversarial threshold.\n\n\n\n\n\n\n\n\n\n\n\n\nEven so, Ma argued the system degrades gracefully when conditions worsen. “If the network is slow, FCR has a built-in fallback mode. Instead of fast-confirming a block within 13 seconds, it may take slightly longer,” he wrote. “As soon as sufficiently many attestations are delivered, the block is fast-confirmed. In the worst-case, FCR falls back to finality.”\nThat fallback is central to the pitch. The mechanism does not pretend reorg risk disappears; it claims to reduce waiting time dramatically while retaining deterministic guarantees when its assumptions hold. Ma also stressed that if those assumptions do hold, a fast-confirmed block “will be finalized with certainty.”\nAt press time, ETH traded at $2,319.\nBitcoin must break above the 1.0 Fib level, 1-week chart | Source: BTCUSDT on TradingView.com\nFeatured image created with DALL.E, char t from TradingView.com\n\n\nEditorial Process for bitcoinist is centered on delivering thoroughly researched, accurate, and unbiased content. We uphold strict sourcing standards, and each page undergoes diligent review by our team of top technology experts and seasoned editors. 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