Blockchain oracles are important in connecting blockchain networks with external data sources. They offer a bridge between the on-chain and off-chain worlds of blockchain technology and serve as third-party services that retrieve, verify, and authenticate external data. With this bridge smart contracts can utilize real-world data outside the blockchain network.
Transactions or data that occur outside the main blockchain network and act as solutions designed to alleviate some of the limitations of on-chain transactions, affecting scalability and high fees.
A type of financial market where trading occurs directly between parties, typically outside of a centralized exchange. In OTC markets, participants buy and sell financial instruments, such as stocks, bonds, currencies, or derivatives, directly with each other, often through brokers or dealers.