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Grayscale Highlights Sui’s 300,000 TPS Blockchain Performance

Reported by Cointrust
Jun 22, 2026· 3 min read
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Key Takeaways
  • • Grayscale Research benchmarked Sui blockchain at 300,000 transactions per second (TPS), positioning it among the highest theoretical throughput capacity in the industry, with initial network support for 120,000 TPS.
  • • Sui, founded by key contributors to Facebook's Diem blockchain project through Mysten Labs, prioritizes scalability and usability to support mass-market consumer applications and billions of users.
  • • SUI token maintains a ~$10 billion market capitalization with only 33% of total supply currently in circulation; over 50% of total token supply will not be released until after 2030, representing a significant unlocking risk for future valuation.
  • • Grayscale Research identifies Sui's technological advantages as including the lowest cost per transaction and fastest time to finality compared to competing Layer 1 blockchains, driven by architecture that requires consensus only for complex transactions while processing simple transfers in parallel.
  • • Real-world performance data shows Sui averaging 3,900 TPS in August benchmarks, outperforming Internet Computer (ICP) at 3,700 TPS, though current actual throughput remains substantially below theoretical maximum capacity.
Summary
Grayscale Research has highlighted Sui as a standout Layer 1 blockchain platform, emphasizing its theoretical capacity to process 300,000 transactions per second—among the highest in the industry. The research firm benchmarked the network at this throughput level, though the blockchain will initially support 120,000 TPS upon full deployment. This positioning reflects Sui's engineering focus on delivering both high transaction capacity and low transaction costs relative to competing smart contract platforms.

Sui was launched in 2023 by Mysten Labs, a team led by former contributors to Facebook's Diem blockchain project. This lineage is significant; the founding team built Sui from inception with global-scale aspirations, carrying technical expertise and institutional experience from their previous effort to create a blockchain capable of supporting billions of users. Grayscale Research views this combination of technological foundation and vertically integrated development approach—where Mysten Labs builds across the blockchain layer and application stack—as a critical competitive advantage for the platform.

The architecture underlying Sui's performance differentiates it through intelligent consensus requirements and parallel processing. The network requires full consensus only for complex transactions such as smart contracts, while simple token transfers are processed in parallel without consensus overhead. This design choice directly enables the high throughput and low latency that Grayscale identified as Sui's primary technical strengths. Current market data reflects these claims; in August benchmarks, Sui achieved an average of 3,900 TPS, outpacing Internet Computer's 3,700 TPS across real-world network conditions.

From a token economics perspective, SUI carries a $10 billion market capitalization with meaningful supply constraints. Currently, only 33% of total token supply is in circulation, with over 50% of total supply not scheduled for release until after 2030. This extended unlock schedule presents both structural support for near-term valuations and potential headwinds as future supply enters circulation. Grayscale's assessment emphasizes Sui's positioning as a technology capable of supporting mainstream consumer applications—a critical requirement for blockchain platforms seeking to transition beyond niche use cases to mass adoption.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Cointrust Grayscale Highlights Sui’s 300,000 TPS Blockchain Performance