Oracle
Oráculo
DeFi
6 references
Um mecanismo que fornece dados externos (como preços) para contratos inteligentes. Os oráculos podem ser centralizados ou descentralizados e são essenciais para muitos protocolos DeFi.
Aparece em 6 seções de whitepapers
$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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