Dom has posted a detailed look at the code powering several major layer-1 blockchains, sparking discussion about what these numbers mean for performance, usability and future adoption. The analysis focuses specifically on the network clients, excluding peripheral components such as internet identity systems and HTTP gateways, to give a clearer picture of the core software.
According to Dom, the Internet Computer (ICP) network client contains around 1.1 million lines of Rust code, making it the largest among the blockchains he compared. Sui follows with 501,000 lines, Solana with 500,000, Aptos with 486,000, Near with 350,000, and Avalanche with 280,000 lines of Go. Overall, ICP’s network client totals 1.23 million lines, with the remainder of the codebase consisting of supporting files that aren’t strictly code. The other networks similarly have additional files such as JSON, YAML, Markdown and JavaScript that supplement their main Rust or Go code.
The discussion drew a range of reactions from the community. Fabio commented that while the numbers are interesting, they only tell part of the story. He suggested comparing the actual “useful work” performed by these blockchains, pointing out that one subnet on ICP carries out five times more useful work than ADA, SOL, ETH, NEAR, SUI and AVAX combined.
Dom responded by cautioning against reading too much into raw line counts. He used an analogy of storing a 3.3MB photo on a phone, explaining that while ICP can store a large number of such items today, other metrics are needed to fully understand performance, utility and potential impact on users. He added that blockchains are created by client software, mostly written in Rust, and the total lines of Rust offer an indication of underlying sophistication, though design, algorithms and network architecture also play major roles.
Some community members pushed for clearer explanations, asking how these metrics translate into real-world effects for users. One user asked: “Is that enough to transform the life of people so ICP can live its purpose? Are these metrics the ones that will bring mass adoption impacting the user experience in such way that loyalty drives revenue in a parabolic way?”
Dom acknowledged that while the table shows technical scale, it doesn’t capture the entire picture. He highlighted that different blockchain designs naturally lead to differences in client code, and that line counts provide a rough glimpse of the complexity and capability embedded in each network.
The thread reflects growing interest in understanding blockchain infrastructure beyond tokenomics and surface-level metrics. It also illustrates the challenges of comparing networks directly, since each has unique goals, constraints and trade-offs in design. ICP, for example, prioritises on-chain computation and scalability, which partly explains the higher number of lines in its Rust code. Other networks may have simpler clients because they rely on off-chain solutions or different architectural approaches.
While line counts don’t translate directly into user experience or profitability, the discussion underscores the importance of developer effort, software architecture, and the ability of a network to handle complex operations efficiently. For investors and developers watching ICP, Sui, Solana and others, these comparisons offer insight into the technical depth and potential versatility of each blockchain, though they are far from the only factor determining adoption or success.
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