UMA
UMAは、検証可能なあらゆるデータをブロックチェーン上にトラストレスに記録する分散型オプティミスティック・オラクルであり、DeFiやWeb3アプリケーション向けに安全なオンチェーン上の真実を実現します。
対象読者
💸DeFi開発者
ターミナル、コード、またはAIエージェントからQuicknodeを管理できます。CLI、Admin API、MCP、SDKが利用可能になりました。
作成を開始するUMAは、検証可能なあらゆるデータをブロックチェーン上にトラストレスに記録する分散型オプティミスティック・オラクルであり、DeFiやWeb3アプリケーション向けに安全なオンチェーン上の真実を実現します。
SOC 2 タイプ II 認証取得 · ISO 27001
UMA (Universal Market Access) is a decentralized optimistic oracle protocol designed to bring any verifiable offchain data onchain in a trustless and economically secure manner. It enables developers to build decentralized finance (DeFi) applications, prediction markets, insurance protocols, cross-chain bridges, and real-world asset tokenization by providing reliable, dispute-resolvable data feeds. UMA’s oracle system uses an optimistic approach where data submissions are accepted by default unless disputed, minimizing onchain costs and latency.
UMA’s core technology is the Optimistic Oracle (OO), which operates in stages: a data statement is proposed with a bond, a challenge period allows anyone to dispute the claim if they have evidence, and if disputed, UMA token holders vote to resolve the dispute. This game-theoretic design incentivizes honest data reporting and dispute resolution. UMA currently supports two versions of the oracle: OOv2, optimized for prediction markets and insurance use cases requiring third-party proposers, and OOv3, which supports flexible data assertions and modular escalation managers for more complex workflows.
What sets UMA apart is its modular and extensible oracle architecture combined with decentralized governance by UMA token holders who secure the protocol economically and participate in dispute voting. This design reduces reliance on trusted data providers and enables a wide range of real-world data to be securely verified onchain. UMA is integrated with projects like Polymarket, Across, Story Protocol, and Rated, demonstrating its utility in prediction markets, cross-chain communication, and insurance. Developers can get started by choosing the appropriate oracle version, submitting data requests, and integrating UMA’s smart contracts with comprehensive documentation and community support available.
UMA’s optimistic oracle is a foundational infrastructure tool for Web3 developers seeking to build applications that require secure, verifiable offchain data onchain. Its economic incentives, dispute resolution mechanism, and governance model provide a robust alternative to traditional oracles, enabling new decentralized financial products and real-world asset tokenization.
Decentralized applications often require reliable, verifiable offchain data to function correctly, but existing oracle solutions can be costly, slow, or rely on trusted third parties. Ensuring data integrity and dispute resolution in a decentralized manner remains a challenge.
Data proposers submit statements with bonds that incentivize honesty and provide bounties for disputers.
A defined window where anyone can dispute submitted data before it is accepted as truth.
Token holders who vote correctly on disputes earn rewards, encouraging active and honest participation.
Developers use UMA’s optimistic oracle to verify outcomes of real-world events like sports or elections for decentralized betting platforms.
UMA’s oracle validates cross-chain transaction data to enable secure and trustless asset transfers between blockchains.
Insurance protocols leverage UMA to verify claim events and trigger payouts based on verifiable offchain data.
80以上のチェーンを横断する無料のRPC。30秒未満でエンドポイントを立ち上げられます。
Explore web3 competitors and apps like UMA.
無料 | |
|---|---|
| 料金（月額） | 無料 |
| 価格（年間） | 無料 |
| メッセージ機能 | 該当なし |
| サポート | Discord や GitHub を通じたコミュニティサポート |
| アナリティクス |
信頼性の高いRPC、強力なAPI、そして手間いらず。
UMA provides extensive developer documentation, guides, and community support resources to help onboard builders and voters. The docs cover oracle versions, dispute processes, governance, and example projects. UMA also maintains active Discord and GitHub channels for real-time assistance.
