{"id":407,"date":"2026-11-07T11:12:00","date_gmt":"2026-11-07T11:12:00","guid":{"rendered":"https:\/\/coinranking.com\/news\/?p=407"},"modified":"2026-11-07T09:33:30","modified_gmt":"2026-11-07T09:33:30","slug":"stellar-bell-upgrade-goes-live-testnet-ahead-mainnet-vote","status":"publish","type":"post","link":"https:\/\/coinranking.com\/news\/stellar-bell-upgrade-goes-live-testnet-ahead-mainnet-vote","title":{"rendered":"Stellar Bell Upgrade Goes Live on Testnet Ahead of Mainnet Vote"},"content":{"rendered":"<p><a href=\"https:\/\/coinranking.com\/coin\/f3iaFeCKEmkaZ+stellar-xlm\">Stellar (XLM)<\/a> activated its Protocol 30 upgrade, codenamed Bell, on testnet on November 4, 2026, according to the Stellar Development Foundation. Validators vote on mainnet activation on November 23 at 17:00 UTC. Bell covers three changes: muxed contract addresses, post-quantum signature verification in Soroban contracts and millisecond ledger timing.<\/p>\n<h2>What Bell Changes in Stellar Smart Contracts<\/h2>\n<p>The upgrade ships three proposals, CAP-84, CAP-87 and CAP-88. CAP-84 adds muxed contract addresses, so exchanges, custodians and payment providers can manage balances for many customers through a single smart contract. A contract address can carry a 64-bit identifier for the intended customer, instead of one contract per user. The new addresses begin with the letter W.<\/p>\n<figure class=\"crn-inline-figure\"><img width=\"720\" height=\"405\" src=\"https:\/\/coinranking.com\/news\/wp-content\/uploads\/2026\/11\/stellar-xlm-30-day-candlestick-price-chart-on-coinranking-chart-3736a82a06-1024x576.png\" class=\"attachment-large size-large\" alt=\"Stellar XLM 30-day candlestick price chart on Coinranking\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/coinranking.com\/news\/wp-content\/uploads\/2026\/11\/stellar-xlm-30-day-candlestick-price-chart-on-coinranking-chart-3736a82a06-1024x576.png 1024w, https:\/\/coinranking.com\/news\/wp-content\/uploads\/2026\/11\/stellar-xlm-30-day-candlestick-price-chart-on-coinranking-chart-3736a82a06-300x169.png 300w, https:\/\/coinranking.com\/news\/wp-content\/uploads\/2026\/11\/stellar-xlm-30-day-candlestick-price-chart-on-coinranking-chart-3736a82a06-768x432.png 768w, https:\/\/coinranking.com\/news\/wp-content\/uploads\/2026\/11\/stellar-xlm-30-day-candlestick-price-chart-on-coinranking-chart-3736a82a06-1536x864.png 1536w, https:\/\/coinranking.com\/news\/wp-content\/uploads\/2026\/11\/stellar-xlm-30-day-candlestick-price-chart-on-coinranking-chart-3736a82a06-2048x1152.png 2048w, https:\/\/coinranking.com\/news\/wp-content\/uploads\/2026\/11\/stellar-xlm-30-day-candlestick-price-chart-on-coinranking-chart-3736a82a06-1200x675.png 1200w, https:\/\/coinranking.com\/news\/wp-content\/uploads\/2026\/11\/stellar-xlm-30-day-candlestick-price-chart-on-coinranking-chart-3736a82a06-640x360.png 640w, https:\/\/coinranking.com\/news\/wp-content\/uploads\/2026\/11\/stellar-xlm-30-day-candlestick-price-chart-on-coinranking-chart-3736a82a06-320x180.png 320w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><figcaption>Stellar (XLM) price over the last 30 days on Coinranking.<\/figcaption><\/figure>\n<p>Stellar already supported muxed accounts for deposits, letting exchanges receive funds from different customers into one account while identifying each user with a separate ID. Smart accounts, which use programmable contracts to control spending permissions, did not have that capability. Businesses using them generally needed a separate contract to distinguish customer balances, which the Bell upgrade removes.<\/p>\n<h2>How Post-Quantum Checks Work<\/h2>\n<p>CAP-87 adds ML-DSA post-quantum signature verification inside Soroban smart contracts, so contracts can check signatures designed to resist quantum computers. Network transaction signatures stay on Ed25519. CAP-88 records ledger closing times in milliseconds, which prepares the network for faster processing in later upgrades without changing ledger closing times yet.<\/p>\n<h2>What Happens before the November 23 Vote<\/h2>\n<p>The upgrade is designed to help businesses manage customer funds through smart accounts while preparing the network for quantum-resistant security and faster transaction processing, according to the Stellar Development Foundation. Wallet providers, exchanges and infrastructure operators across the <a href=\"https:\/\/coinranking.com\/ecosystems\/stellar\">Stellar ecosystem<\/a> must update their software for the new address format and ledger data changes before mainnet activation.<\/p>\n<p>The testnet activation followed a validator vote on November 3, 2026 at 17:00 UTC. The mainnet vote runs at the same time on November 23 and depends on validator approval, per the <a href=\"https:\/\/stellar.org\/blog\/developers\/introducing-bell-protocol-30-on-stellar\">Stellar Development Foundation announcement<\/a>. Traders can follow the token on the <a href=\"https:\/\/coinranking.com\/chart\/coin\/f3iaFeCKEmkaZ+stellar-xlm\/price\">Stellar price chart<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Protocol 30 adds muxed contract addresses, post-quantum signature checks in Soroban contracts and millisecond ledger timing. Validators vote on mainnet activation on November 23.<\/p>\n","protected":false},"author":2,"featured_media":408,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_crn_external_id":"oc-2026-11-07-xlm-bell-protocol-30-testnet","_crn_dek":"Protocol 30 adds muxed contract addresses, post-quantum signature checks in Soroban contracts and millisecond ledger timing. Validators vote on mainnet activation on November 23.","_crn_takeaways":"[\"Stellar activated Protocol 30, codenamed Bell, on testnet on November 4, 2026.\",\"Validators vote on mainnet activation on November 23, 2026 at 17:00 UTC.\",\"Bell adds muxed contract addresses, post-quantum ML-DSA checks in Soroban contracts and millisecond ledger timing.\"]","_crn_faq":"[{\"question\":\"When is the Stellar Bell mainnet vote?\",\"answer\":\"Stellar validators vote on activating Protocol 30 Bell on mainnet on November 23, 2026 at 17:00 UTC.\"},{\"question\":\"What is Stellar Protocol 30?\",\"answer\":\"Protocol 30, codenamed Bell, is a Stellar upgrade with muxed contract addresses, post-quantum signature checks in Soroban contracts and millisecond ledger timing. It went live on testnet on November 4, 2026.\"},{\"question\":\"What are muxed contract addresses?\",\"answer\":\"Muxed contract addresses let one smart contract hold balances for many customers using a 64-bit identifier per customer. The new addresses begin with the letter W.\"},{\"question\":\"Does Bell make Stellar quantum-proof?\",\"answer\":\"No. Bell adds ML-DSA post-quantum signature verification inside smart contracts only. Network transaction signatures still use Ed25519.\"},{\"question\":\"Do XLM holders need to do anything for Bell?\",\"answer\":\"No action is needed for most holders. Wallet providers, exchanges and infrastructure operators must update their software before mainnet activation.\"}]","_crn_sources":"[{\"name\":\"Stellar Development Foundation\",\"url\":\"https:\/\/stellar.org\/blog\/developers\/introducing-bell-protocol-30-on-stellar\",\"title\":\"Introducing Bell: Protocol 30 on Stellar\"},{\"name\":\"crypto.news\",\"url\":\"https:\/\/crypto.news\/stellar-protocol-30-bell-upgrade-goes-live-on-testnet-ahead-of-mainnet-vote\/\",\"title\":\"Stellar Protocol 30 Bell upgrade goes live on testnet ahead of mainnet vote\"}]","_crn_social":"[]","_crn_breaking_until":0,"_crn_primary_coin":58,"_crn_ai_generated":true,"_crn_image_credit":"","_crn_dateline":"","footnotes":""},"categories":[4],"cr_coin":[58],"cr_story_type":[14],"class_list":["post-407","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-layer-1","cr_coin-stellar","cr_story_type-upgrade"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Stellar Bell Upgrade Goes Live on Testnet, Vote Nov 23<\/title>\n<meta name=\"description\" content=\"Stellar activated the Bell upgrade on testnet on November 4, 2026, adding muxed contract addresses and post-quantum checks. 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