Decentralization in systems architecture, especially within Web3, encompasses various concepts, including physical, governance, and permissionless decentralization. Physical decentralization involves autonomous nodes that maintain system functionality even if some nodes fail, akin to horizontal scaling in Web2. Governance decentralization, prevalent in Web3, allows multiple unrelated parties to manage systems through a proposal and voting process, often facilitated by Decentralized Autonomous Organizations (DAOs). Permissionless architectures enable anyone to add nodes without central authority approval, provided they meet hardware and software criteria. Blockchain networks like Ethereum, Polygon, Solana, and Polkadot exemplify decentralization by employing consensus algorithms such as Proof of Work (PoW) and Proof of Stake (PoS) to maintain network integrity and resist malicious activity. These networks often use HTTP gateways, which can be public or private, to allow system access, with private gateways offering higher performance for a fee. Decentralization in Web3 aims to eliminate single points of failure, enhance security, and promote collaborative decision-making across a global community.