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.