Ethereum

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Multichain

Bitcoin

<p>A new report by a16z crypto highlights a defining trend for 2025: the crypto industry is now fully multichain, with Ethereum, Solana, and Bitcoin leading in both builder interest and developer activity.</p><p>The data, collected from a16z investment analyses and GitHub repositories as of September 30, 2025, shows Ethereum far ahead of all competitors. The network and its Layer-2 ecosystem (including Base, Arbitrum, and Optimism) continue to dominate innovation, attracting the most developers and projects across DeFi, gaming, and tokenization.</p><blockquote class="twitter-tweet"><p>Crypto is multichain. <a href="https://t.co/hsut9JroLv" rel="noopener noreferrer nofollow">pic.twitter.com/hsut9JroLv</a></p><p>— a16z crypto (@a16zcrypto) <a href="https://twitter.com/a16zcrypto/status/1982839245783150697?ref_src=twsrc%5Etfw" rel="noopener noreferrer nofollow">October 27, 2025</a></p></blockquote><p>On the left chart, Ethereum ranks #1 in builder interest, followed by Base, Solana, Bitcoin, and Polygon. On the right, Ethereum also tops the list for monthly open-source developers, with Solana and Bitcoin in second and third place respectively. Other notable entries include Cosmos, Polkadot, and Sui, reflecting growing diversity across blockchain ecosystems.</p><div class="read-more tdi_7"><div class="td_module_flex td_module_flex_1 td_module_wrap td-animation-stack td-cpt-post td-module-exclusive"><div class="td-module-container"><div class="td-image-container"><div class="td-module-thumb"><a class="article row text-decoration-none" href="https://www.ethnews.com/bitcoin-reclaims-115k-as-trade-optimism-and-institutional-demand-fuel-rally/" rel="noopener noreferrer nofollow"><span class="td-image-wrap"></span></a></div></div><div class="td-module-meta-info"><h3 class="entry-title td-module-title" id="a-href-https-www-ethnews-com-bitcoin-reclaims-115k-as-trade-optimism-and-institutional-demand-fuel-rally-rel-noopener-noreferrer-nofollow-bitcoin-reclaims-115k-as-trade-optimism-and-institutional-demand-fuel-rally-a"><a href="https://www.ethnews.com/bitcoin-reclaims-115k-as-trade-optimism-and-institutional-demand-fuel-rally/" rel="noopener noreferrer nofollow">Bitcoin Reclaims $115K as Trade Optimism and Institutional Demand Fuel Rally</a></h3></div></div></div></div><p>The findings underline how the crypto landscape has evolved from a single dominant chain to a cooperative multichain environment. Builders are now prioritizing interoperability, scalability, and real-world applications, with cross-chain solutions becoming a core focus of 2025’s infrastructure boom.</p><p>As institutional tokenization, stablecoin payments, and on-chain finance expand, developer concentration around Ethereum and Solana signals where the next wave of blockchain utility is most likely to emerge.</p><p>The post <a href="https://www.ethnews.com/ethereum-solana-and-bitcoin-lead-developer-activity-as-crypto-turns-fully-multichain/" rel="noopener noreferrer nofollow">Ethereum, Solana, and Bitcoin Lead Developer Activity as Crypto Turns Fully Multichain</a> appeared first on <a href="https://www.ethnews.com" rel="noopener noreferrer nofollow">ETHNews</a>.</p>

Ethereum, Solana, and Bitcoin Lead Developer Activity as Crypto Turns Fully Multichain

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