Sui (SUI): D-Score 44/100 — Moderately Decentralized BlockIndex D-Score: 44/100 (Moderately Decentralized). Sui (SUI) is a Layer 1 cryptocurrency using DPoS consensus. Sui: High-throughput Layer-1 with an object-centric model, Move contracts, parallel execution and sub-second finality. Source: https://blockindex.ai/coin/sui · Data by BlockIndex.AI · Updated 2026-06-19 D-Score breakdown (0-100, higher means more decentralized) Component: Score: Overall D-Score: 44: Node distribution: 10: Initial distribution: 0: Governance: 20: Age and history: 9: Autonomy: 5: Key facts - Layer: Layer 1 - Consensus: DPoS (Other) - Launch: Other (2023) - Founder: Evan Cheng; Adeniyi Abiodun; Sam Blackshear; George Danezis; Kostas Chalkias - VC funded: Yes - Max supply: 10,000,000,000 - Circulating: 4,029,196,852 (40.3%) Market data (as of 2026-06-19) - Price: $0.71 - Market cap: $2.88B - 24h volume: $388.05M - 24h change: -4.01% · 7d change: -5.05% About Sui is a purpose-built Layer-1 blockchain that prioritizes high-throughput, low-latency smart contract execution and rich on-chain assets. Founded by former Meta engineers and stewarded by Mysten Labs and the Sui Foundation, the network leverages an object-centric data model and a Move-derived smart contract language (Sui Move) to enable composable, upgradeable onchain assets and complex stateful objects. The project emphasizes developer ergonomics and user experience, providing features such as zkLogin, sponsored transactions, and the Sui Stack of developer tooling (Walrus, Nautilus, SuiNS, DeepBook). The SUI token is native to the chain and is used for gas, staking, and planned governance. The project attracted significant capital and attention during its early lifecycle, raising institutional funds and securing high-profile exchange listings and custody partners. Technically, Sui differentiates itself through parallel execution architecture, combining the Narwhal mempool with the Bullshark consensus mechanism to enable sub-second finality for many transactions. The object-centric model allows transactions to bypass consensus for non-conflicting operations, dramatically increasing potential throughput and enabling a range of novel dApp patterns. Sui’s node implementation is written in Rust while Move-derived language semantics focus on resource safety and verifiability. The project has recorded very high throughput in testing (with cited peaks up to ~297,000 TPS in some internal/benchmark contexts) and continues to iterate its protocol (current references point to Protocol Version 104 / Sui v1.62.1). The protocol surface also includes onchain services such as DeepBook (orderbook primitives), Nautilus verifiable offchain compute, and Walrus trusted data layers. From an ecosystem perspective, Sui supports DeFi primitives, concentrated-liquidity DEXs, NFTs, gaming and enterprise workflows. The network has seen institutional integration efforts including custody partnerships and ETF-related market products; several providers pursued or listed SUI-linked products in late 2025. Sui has an active audit program and formal verification tooling (Sui Prover, formal audits) to improve security posture. The project has experienced a high-profile security incident (January 2024 bridge/theft of roughly $29M) which prompted audits and remediation. Despite such events, Sui’s tooling, exchanges coverage, and ongoing upgrades (e.g., protocol version bumps and feature rollouts like DeepBook and Slush) have supported continued adoption and developer interest. Tokenomics for SUI are straightforward: a fixed maximum supply of 10,000,000,000 SUI with a circulating supply around ~3.736B (≈37.37% of max) as of the referenced snapshots. SUI is used for gas, staking and ecosystem incentives; detailed premine or PIP percentages were not provided in the supplied summaries. The Sui Foundation and Mysten Labs coordinate treasury and staking initiatives to bootstrap validator participation and ecosystem programs. Governance is currently foundation-led with delegated proof-of-stake for validator selection; on-chain governance parameters are planned but not fully finalized in the provided sources. Roadmap priorities emphasize decentralized governance design, continued security hardening, formal verification tooling, and cross-chain liquidity integrations such as WBTC via LayerZero. Links - Website: https://sui.io/ - Whitepaper: https://github.com/MystenLabs/sui - GitHub: https://github.com/MystenLabs/sui --- About the D-Score: BlockIndex.AI rates decentralization from 0 to 100 across node distribution, initial distribution, governance, age and history, and autonomy. Methodology: https://blockindex.ai/dscore