What is a layer 2 blockchain?

A layer 2 blockchain regularly communicates with Ethereum (by submitting bundles of transactions) in order to ensure it has similar security and decentralization guarantees. All this requires no changes to the layer 1 protocol (Ethereum). This lets layer 1 handle security, data availability, and decentralization, while layer 2s handles scaling.

What are L2 fees & chainlist?

L2 Fees lets you see the current cost (denominated in USD) for doing transactions on different layer 2s. Chainlist is a great resource for importing network RPC's into supporting wallets. You will find RPC's for layer 2 projects here to help get you connected.

What is blockchain & why should you use it?

This is particularly useful for cross-border trades, which usually take much longer because of time zone issues and the fact that all parties must confirm payment processing. Many blockchain networks operate as public databases, meaning that anyone with an Internet connection can view a list of the network’s transaction history.

What is a blockchain node & how does it work?

Nodes are incentivized with digital tokens or currency to make updates to blockchains. Blockchain allows for the permanent, immutable, and transparent recording of data and transactions. This, in turn, makes it possible to exchange anything that has value, whether that is a physical item or something less tangible.