Syscoin (SYS): D-Score 74.5/100 — Decentralized BlockIndex D-Score: 74.5/100 (Decentralized). Syscoin (SYS) is a Layer 1 cryptocurrency using PoW consensus. Syscoin: Bitcoin-merged-mined Layer-1 blockchain combining PoW security, EVM programmability, Sentry nodes, and rollup scalability. Source: https://blockindex.ai/coin/sys · Data by BlockIndex.AI · Updated 2026-10-09 D-Score breakdown (0-100, higher means more decentralized) Component: Score: Overall D-Score: 74.5: Node distribution: 30: Initial distribution: 6: Governance: 21: Age and history: 15: Autonomy: 2.5: Key facts - Layer: Layer 1 - Consensus: PoW (SHA-256) - Launch: ICO (2014) - Founder: Sebastian Schepis - VC funded: No - Max supply: N/A - Circulating: 917,234,146 Market data (as of 2026-10-09) - Price: $0 - Market cap: $1.79M - 24h volume: $65,719.78 - 24h change: -0.89% · 7d change: -15.42% About Syscoin is a native Layer-1 blockchain originally announced on BitcoinTalk on April 16, 2014 and launched as Syscoin 1.0 on August 16, 2014. The project was created by Sebastian Schepis and has evolved from an early Bitcoin-derived marketplace and payments network into a modular blockchain infrastructure project. Its core mission is to combine Bitcoin-style security with Ethereum-style programmability, allowing users and developers to benefit from proof-of-work settlement while still accessing smart-contract and rollup-based application environments. The ecosystem is led by the non-profit Syscoin Foundation, with SYS Labs developing major ecosystem applications and systems such as Rollux, SuperDapp, Pegasys DAO, and Luxy. Technically, Syscoin uses SHA-256 Proof-of-Work and merged mining with Bitcoin, meaning Bitcoin miners can contribute security to Syscoin without abandoning Bitcoin mining. Syscoin also uses incentivized full nodes known as masternodes or Sentry nodes, which support chainlocks, decentralized finality, and high node participation. The chain supports both UTXO-style functionality and NEVM/EVM programmability, and its modular design includes PoDA data availability plus support for optimistic and zero-knowledge rollups. Rollux, launched on June 28, 2023, is described as the first Layer-2 built on Syscoin and is an EVM-equivalent optimistic rollup forked from Optimism. SYS is the native coin of the Syscoin network and is used for gas, transaction fees, miner incentives, and Sentry node incentives. The original Syscoin 1.0 supply design referenced a 2 billion coin maximum, while Syscoin 2.0 reduced the maximum supply to 888 million according to validation sources. Later NEVM economics introduced an EIP-1559-like fee-burn model and ongoing inflation dynamics, with cited maximum inflation of roughly 1.25% per year and actual inflation reduced by burns and masternode seniority rules. The provided market data lists 904.78 million SYS in total and circulating supply, effectively 100% circulating against the supplied total figure. Syscoin’s practical use cases span native payments, smart contracts, rollup settlement, data availability, bridges, DeFi, NFTs, and broader Web3 applications. The Rollux ecosystem is positioned as the project’s primary growth target because it offers fast, low-cost EVM-compatible execution while anchoring to Syscoin’s Bitcoin-merged-mined Layer-1 security. Infrastructure around the network includes Chainz and explorer services, Syscoin Bridge, Rollux Portal, Sysnode.info, official documentation, GitHub repositories, and analytics coverage through CoinMarketCap and CoinGecko. Governance is hybrid: Syscoin is foundation-led and open source, but the network also includes decentralized governance references, Sentry node participation, and masternode-operator voting. Historical governance examples include proposal and superblock voting, including a 2021 vote allocating a one-time mint to the Syscoin Foundation. No CEO is identified in the supplied data; Jagdeep Sidhu is listed as Syscoin Foundation President and Lead Developer, and Michiel Näring as Vice President. The project’s roadmap direction centers on modular infrastructure, PoDA, Rollux growth, Edgechains, zkSYS, BitVM-related work, AI-powered Sentry Nodes, and Robin Bridge. Links - Website: https://syscoin.org/get-sys - Whitepaper: https://syscoin.org/research-whitepapers - GitHub: https://github.com/syscoin --- 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