An oracle in blockchain technology is a third-party service that provides external data to a smart contract, allowing it to interact with the real world.
The Bitcoin Lightning Network is a second-layer protocol that operates on top of the Bitcoin blockchain. It enables fast and cheap off-chain transactions.
The Bitcoin mempool is the pool of unconfirmed transactions on the Bitcoin network, where they wait to be picked up by a miner and included in the next block.
DAI is a decentralized stablecoin built through a smart contract on the Ethereum Blockchain. It aims to maintain a stable 1: 1 value against the US dollar.
A Replay Attack happens when a malicious party manages to intercept parts of a valid data transmission in order to bypass the cryptography in a blockchain.
The Bitcoin Stock-To-Flow model is a prediction model that studies the existing supply of bitcoin and the rate at which new units of bitcoin are produced.