![]() ![]() ![]() In mid-September 2022, the two chains of Ethereum went from "closely tracking" to one single chain. Its purpose it to contain all the logic needed operate Proof of Stake (PoS). The beacon chain was launched in 2020, 5 years after the launch of Ethereum. Mainnet tracked all the changes within the Ethereum Virtual Machine (EVM), and was previously secured by Proof of Work (PoW). There are 5 consensus clients and 5 execution clients, any combination will make a node.īefore the Merge, you could think of Ethereum as two independent (closely tracking) blockchains: mainnet and the beacon chain. Zooming into the computer, the node is actually two independent pieces of software: a consensus client and an execution client. Staking is done in 32 $ETH increments, but a single node can support many validators. Once running, a node operator can stake ETH, become a validator and participating in Proof of Stake (PoS). source ¶ ValidatorsĪ node is both computer and the atomic unit of the Ethereum network. (you can also run a node on a cloud provider, like AWS or Google Cloud, but they are indistinguishable for our purposes). Many people, myself included, use a machine like this one. Think of a node as a physical computer in the real world. Ethereum is the World Computer, a single, globally shared computing platform that exists in the space between a network of 1,000s of computers (nodes). ![]()
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