{"id":78097,"date":"2026-09-13T07:56:06","date_gmt":"2026-09-13T07:56:06","guid":{"rendered":"https:\/\/crowdfundjunction.com\/blog\/bitcoin-miners-found-2-valid-blocks-then-one-was-left-behind\/"},"modified":"2026-09-13T07:56:06","modified_gmt":"2026-09-13T07:56:06","slug":"bitcoin-miners-found-2-valid-blocks-then-one-was-left-behind","status":"publish","type":"post","link":"https:\/\/crowdfundjunction.com\/blog\/bitcoin-miners-found-2-valid-blocks-then-one-was-left-behind\/","title":{"rendered":"Bitcoin Miners Found 2 Valid Blocks, Then One Was Left Behind"},"content":{"rendered":"<p><b>(Originally posted on : Bitcoin News )<\/b><br \/>\n<\/p>\n<div>\n<div class=\"@container mb-[25px] rounded-sm overflow-clip py-0.5 pr-0.5 pl-2.5 bg-success-100\">\n<div class=\"flex flex-col gap-m overflow-clip rounded-[6px] !bg-success-10 p-3 @[420px]:p-m\">\n<h2 class=\"m-0 flex items-center gap-s text-[19px] !text-[#1c1c1c] md:text-[20px]\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"16\" height=\"10\" viewbox=\"0 0 16 10\" fill=\"none\" class=\"shrink-0 text-success-100\" aria-hidden=\"true\"><path d=\"M1 1.5h14\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\"\/><path d=\"M1 8.5h10\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\"\/><\/svg><span>Key Takeaways<\/span><\/h2>\n<ul class=\"m-0 flex list-none flex-col gap-m pl-0\">\n<li class=\"m-0 flex items-start gap-s !text-[#434248]\"><span class=\"mt-2 size-2 shrink-0 rounded-full bg-success-100\" aria-hidden=\"true\"\/><span class=\"text-body\">Antpool won the race at block 966500, while Spiderpool watched its perfectly valid Bitcoin block get tossed.<\/span><\/li>\n<li class=\"m-0 flex items-start gap-s !text-[#434248]\"><span class=\"mt-2 size-2 shrink-0 rounded-full bg-success-100\" aria-hidden=\"true\"\/><span class=\"text-body\">Galaxy Research says Bitcoin has seen 3 one-block reorgs in 4 weeks, but small ones are typically part of the game.<\/span><\/li>\n<li class=\"m-0 flex items-start gap-s !text-[#434248]\"><span class=\"mt-2 size-2 shrink-0 rounded-full bg-success-100\" aria-hidden=\"true\"\/><span class=\"text-body\">Monero\u2019s 18-block and Bitcoin SV\u2019s 100-block reorgs show how quickly things can get serious when reorgs run deep.<\/span><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<h2>Bitcoin\u2019s One-Block Reorg Pits Spiderpool Against Antpool<\/h2>\n<p>At block height 966500, Spiderpool and Antpool discovered two valid blocks that both pointed back to the same parent. <a href=\"https:\/\/x.com\/glxyresearch\/status\/2098450862222045506?s=20\" target=\"_blank\" rel=\"noopener noreferrer\">Galaxy Research discovered the anomaly<\/a> via its private node. \u201cBitcoin experienced a small 1 block reorg this morning. This is common: the third time in four weeks (962,722 on Aug. 16, 963,853 on Aug. 24). Here, Spiderpool had its chain obviated by Antpool,\u201d the Galaxy Research X account wrote.<\/p>\n<p>Galaxy added:<\/p>\n<blockquote>\n<p>\u201cOur node never saw the Antpool block until it confirmed and the chain extended on top of it.\u201d<\/p>\n<\/blockquote>\n<h2>When Two Valid Blocks Collide, Only One Survives<\/h2>\n<p>Blockchain reorgs like this <a href=\"https:\/\/news.bitcoin.com\/learning-insights\/bitcoin-orphan-block-reorg-explained\/\">are not entirely uncommon<\/a>, and like Galaxy said, this specific occurrence has happened at least three times over the last month. As for what a chain reorganization actually is, imagine a network of kids building a tower of blocks when two builders happen to place different blocks at the top at nearly the same time.<\/p>\n<figure id=\"attachment_847074\" aria-describedby=\"caption-attachment-847074\" style=\"width:1200px\" class=\"wp-caption aligncenter\"><figcaption id=\"caption-attachment-847074\" class=\"wp-caption-text\">Image shared by Galaxy Research on Sept. 11, 2026 via X.<\/figcaption><\/figure>\n<p>A 1-block reorg occurs when the network ultimately builds on one of those competing blocks, causing the other to be dropped as everyone converges on the chain with the most accumulated work. Think of it as two groups of kids racing to build the same tower. Whichever tower attracts the next block and gains more work becomes the version everyone follows, while the competing block is left behind and eventually forgotten.<\/p>\n<h2>From 1 Block to 100, Reorg Depth Changes the Stakes<\/h2>\n<p><a href=\"https:\/\/news.bitcoin.com\/what-is-a-blockchain-reorg-and-why-it-matters\/\">While reorgs are natural<\/a> and on Bitcoin most are short-lived, there\u2019s been much deeper chain reorganizations on other proof-of-work (PoW) networks. On Monero, Qubic <a href=\"https:\/\/news.bitcoin.com\/moneros-chain-hits-reverse-18-blocks-replaced-in-deep-reorg\/\">released a withheld chain<\/a> from block height 3,499,659 and replaced 18 blocks. When blocks are reshuffled like this, if you have transactions in those blocks, the confirmations disappear, and it\u2019s like they never happened. Another instance was in the summer of 2021 when Bitcoin SV saw a <a href=\"https:\/\/news.bitcoin.com\/bitcoinsv-chain-suffers-51-attack-analyst-claims-bsv-network-experienced-a-100-block-reorg\/\">massive 100-block reorg<\/a>.<\/p>\n<p>When deeper reorgs occur like the ones mentioned above, the blockchain has some real security issues, and it is not to be shrugged off. Small reorgs do occasionally occur on the Bitcoin blockchain, and while they are relatively rare, they do not carry the same security implications that chains suffering deeper reorganizations have confronted in the past.<\/p>\n<\/p><\/div>\n<p><a href=\"https:\/\/news.bitcoin.com\/featured\/bitcoin-miners-found-2-valid-blocks-then-one-was-left-behind\/\">Source link <\/a><br \/>\n<br \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>(Originally posted on : Bitcoin News ) Key Takeaways Antpool won the race at block 966500, while Spiderpool watched its perfectly valid Bitcoin block get tossed. Galaxy Research says Bitcoin has seen 3 one-block reorgs in 4 weeks, but small ones are typically part of the game. Monero\u2019s 18-block and Bitcoin SV\u2019s 100-block reorgs show [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":78098,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[32],"tags":[],"_links":{"self":[{"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/posts\/78097"}],"collection":[{"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/comments?post=78097"}],"version-history":[{"count":0,"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/posts\/78097\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/media\/78098"}],"wp:attachment":[{"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/media?parent=78097"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/categories?post=78097"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/tags?post=78097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}