A coin is a digital currency that operates on its own blockchain. Coins are mainly used as a form of money—just like physical currency—but in digital form. Coins can be sent, received, or used to pay fees within their own blockchain network.
Coin vs Token: What’s the Difference?
Layer 1 and Layer 2 are terms used to describe different levels of blockchain technology. Layer 1 refers to the base blockchain network, like Bitcoin or Ethereum. Layer 2 is built on top of Layer 1 to improve speed, cost, and scalability.
What Are Layer 1 and Layer 2?