{"id":548601,"date":"2026-01-29T13:54:31","date_gmt":"2026-01-29T13:54:31","guid":{"rendered":"https:\/\/e-bitco.in\/index.php\/2026\/01\/29\/citrea-zk-rollup-launch-reignites-bitcoin-block-space-debate\/"},"modified":"2026-01-29T13:54:31","modified_gmt":"2026-01-29T13:54:31","slug":"citrea-zk-rollup-launch-reignites-bitcoin-block-space-debate","status":"publish","type":"post","link":"https:\/\/e-bitco.in\/index.php\/2026\/01\/29\/citrea-zk-rollup-launch-reignites-bitcoin-block-space-debate\/","title":{"rendered":"Citrea ZK-rollup launch reignites Bitcoin block space debate"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/images.cointelegraph.com\/images\/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjYtMDEvMDE5YzA5NzUtNDNiNS03YjUyLTk0OTEtNmIwNGE2MGE1MDRmLmpwZw==.jpg\" alt=\"Citrea ZK-rollup launch reignites Bitcoin block space debate\" class=\"type:primaryImage\" \/><\/p>\n<p>Citrea\u2019s Bitcoin rollup has become a live experiment in whether BTC can support a full DeFi and stablecoin stack, and how much complexity Bitcoin should anchor at the base layer.<\/p>\n<p>Founders Fund and Galaxy Ventures-backed Bitcoin zero-knowledge rollup (ZK-rollup) Citrea launched its mainnet on Tuesday with BTC collateral lending, BTC-structured products and a new US dollar stablecoin, ctUSD.\u00a0<\/p>\n<p>The <a href=\"https:\/\/www.prnewswire.com\/apac\/news-releases\/citrea-launches-mainnet---enabling-bitcoin-to-be-used-for-lending-trading-and-usd-settlement-302670338.html\" rel=\"noopener nofollow\" target=\"_blank\">launch<\/a> is aimed at turning what Citrea calls \u201ceconomically idle\u201d Bitcoin (<a href=\"https:\/\/cointelegraph.com\/bitcoin-price\">BTC<\/a>) into base collateral for <a href=\"https:\/\/cointelegraph.com\/learn\/articles\/defi-a-comprehensive-guide-to-decentralized-finance\" rel=\"\" target=\"_self\" title=\"https:\/\/cointelegraph.com\/learn\/articles\/defi-a-comprehensive-guide-to-decentralized-finance\">decentralized finance (DeFi)<\/a> and payments, while anchoring more of that activity to Bitcoin\u2019s base layer.<\/p>\n<p>The team expects active DeFi liquidity to reach $50 million in the first few weeks, with BTC lending, BTC-structured products, and decentralized trading already live from day one.<\/p>\n<p><a href=\"https:\/\/cointelegraph.com\/news\/citrea-bitcoin-rollup-is-stress-testing-block-space\">Read more<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Citrea\u2019s Bitcoin rollup has become a live experiment in whether BTC can support a full DeFi and stablecoin stack, and how much complexity Bitcoin should anchor at the base layer. Founders Fund and Galaxy Ventures-backed Bitcoin zero-knowledge rollup (ZK-rollup) Citrea launched its mainnet on Tuesday with BTC collateral lending, BTC-structured products and a new US [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":548602,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":{"0":"post-548601","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-blockchain"},"_links":{"self":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/posts\/548601","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/comments?post=548601"}],"version-history":[{"count":0,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/posts\/548601\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/media\/548602"}],"wp:attachment":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/media?parent=548601"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/categories?post=548601"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/tags?post=548601"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}