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<p><a href="https://x.com/Sei_Labs" rel="noopener noreferrer nofollow">@Sei_Labs</a> says the next <a href="https://x.com/search?q=%24SEI&amp;src=cashtag_click" rel="noopener noreferrer nofollow">$SEI</a> network release, v6.8, will shrink the core code of <a href="https://x.com/SeiNetwork" rel="noopener noreferrer nofollow">@SeiNetwork</a> by about 165,000 lines, which it describes as the biggest cleanup in the network's history. The update adds 239,000 lines and removes 404,000, according to the developer.</p>
<p>Roughly 70% of the removals come from legacy components retired under SIP-3, the plan that is turning Sei into an EVM-only chain. Version 6.8 is now in final testing, and Sei Labs expects the figures to grow further before release.</p>
<h2 id="sip-3-and-the-move-to-an-evm-only-chain">SIP-3 and the Move to an EVM-Only Chain</h2>
<p>SIP-3 is a governance proposal to deprecate Sei's Cosmos layer. The Sei community approved it in May 2025 , and once it is fully in place, only EVM addresses will be able to send transactions on Sei, with Cosmos-based transactions phased out.</p>
<p>Sei co-founder Jayendra Jog has previously said the scale of the work is large. He said the code changes needed for SIP-3 are enormous and involve removing hundreds of thousands of lines of code. Sei's own documentation lists SIP-3 as a pre-Giga consolidation to an EVM-only stack, with the status shown as in progress.</p>
<h2 id="eidos-and-the-giga-target">Eidos and the Giga Target</h2>
<p>The new code also brings Eidos, the storage rebuild for Sei Giga, close to completion. According to the Giga roadmap, Eidos replaces Merkle trees with a flat key-value store and separates hot state from cold archives. Eidos sits alongside other planned components. The Giga upgrade includes the Ares execution client, Eidos state management, and Autobahn consensus.</p>
<p>Sei Giga targets 200,000 transactions per second. Sei's documentation states that the figure is a separate roadmap target for the Autobahn testnet, while more than 5 gigagas per second has been sustained on an internal devnet. Independent coverage has noted that the 200,000+ TPS figure comes from an internal, geographically distributed devnet under controlled conditions , so it has not been demonstrated on mainnet. Sei Labs has not confirmed a fixed mainnet launch date for the full Giga upgrade , according to Cryptonews.</p>
<p>The v6.8 release is another step in that sequence. Removing the legacy Cosmos code is intended to leave a smaller codebase for the storage and execution work that Giga depends on. The final line counts will only be known once v6.8 is released.</p>
<h2 id="sources">Sources</h2>
<p><a href="https://docs.sei.io/learn/sei-giga" rel="noopener noreferrer nofollow">Sei Docs: What Is Sei Giga?</a><br><a href="https://giga.seilabs.io/" rel="noopener noreferrer nofollow">Sei Labs: Sei Giga roadmap</a><br><a href="https://cryptonews.net/news/altcoins/32938836/" rel="noopener noreferrer nofollow">Cryptonews: SEI unveils Giga upgrade roadmap</a></p>
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Sei Network v6.8 Release to Cut Core Code by 165,000 Lines Ahead of Giga

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