Accountability in blockchain and decentralized systems is a governance framework that ensures participants are responsible for their actions, built on three core elements: transparency, responsibility allocation, and consequence management. It functions through immutable records, cryptographic verification, and smart contract execution, differing from traditional centralized systems by incorporating both technical and social dimensions rather than relying on regulatory authorities.
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ENS
Ethereum Name Service (ENS) is a distributed naming system built on the Ethereum blockchain that converts complex cryptocurrency addresses, content hashes, and metadata into human-readable names (such as "alice.eth"). Comprised of Registry and Resolver components, ENS functions as Web3 identity infrastructure, offering not only domain name resolution but also supporting digital identity representation, decentralized website access, and various other applications.
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Open Sea
OpenSea is the world's largest non-fungible token (NFT) marketplace, established in 2017, primarily built on the Ethereum blockchain while supporting multiple networks including Polygon and Solana. As a decentralized application (dApp), it enables users to create, buy, sell, and discover various NFT assets such as digital art, collectibles, and gaming items.
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token
A token is a digital asset built on an existing blockchain platform, created through smart contracts to represent specific rights, functions, assets, or values. Tokens can be categorized into various types, including Utility Tokens, Security Tokens, Non-Fungible Tokens (NFTs), and others, each differing in legal nature, use cases, and value representation.
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