Oracle Design Patterns Oracle Design Patterns All oracles provide a few key functions, by definition. These include the ability to: Collect data from an off-chain source. T...
Decentralized Oracles Decentralized Oracles While centralized data or computation oracles suffice for many applications, they represent single points of failure in the Ethereum...
CouchDB as the State Database State Database options Using CouchDB from Chaincode Reading and writing JSON data Chaincode queries CouchDB pagination CouchDB indexes CouchDB C...
Separating Signing and Transmission (Offline Signing) Separating Signing and Transmission (Offline Signing) Once a transaction is signed, it is ready to transmit to the Ethereu...