Oracle
Lời tiên tri
DeFi
6 references
Một cơ chế cung cấp dữ liệu bên ngoài (chẳng hạn như giá cả) cho hợp đồng thông minh. Oracles có thể được tập trung hoặc phi tập trung và rất quan trọng đối với nhiều giao thức DeFi.
Xuất hiện trong 6 phần whitepaper
$ETH
Ethereum
Financial Derivatives and Stable-Value Currencies
...
The implementation of such contracts requires access to external data through oracle contracts or data feeds. These oracles provide price information, weather data,...
Further Applications
...liable real-world data to other contracts without requiring trust in any single oracle provider.
Multi-signature wallets represent another important application, ena...
$SOL
Solana
$USDC
USD Coin
$BCH
Bitcoin Cash
Technical Specifications
... verify signatures against arbitrary data (not just transaction data), enabling oracle-based smart contracts and other advanced scripting patterns. The OP_REVERSEBYTE...
Smart Contract Capabilities
...signature against arbitrary data, not just the transaction itself. This enables oracle-based contracts where an external data source signs a message attesting to some...
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