A “shadow fork” was pulled to test the Proof-of-Stake consensus algorithm on Ethereum, not affecting the existing network. 

Ethereum Launches First Shadow Fork

Ethereum Foundation developer Parithosh Jayanti shared the news of a “shadow fork” with data added to the Kiln test network. Parithosh invited developers to join the “shadow fork” test of the mainnet to determine the refinements needed to merge the blockchains. 

The “shadow fork” will also give network users the opportunity to practice running their nodes, deploying contracts and testing infrastructure.

Kiln is the latest test network launched as part of Ethereum’s transition from Proof-of-Work to Proof-of-Stake. The transition goal is to transform Ethereum by making it more secure, scalable and environmentally friendly. Earlier in March 2022, the Ethereum Foundation announced the launch of the Kintsugi test network as part of the Ethereum 2.0 project. Test networks are needed to analyze possible consequences of blockchain merging on Proof-of-Work and Proof-of-Stake algorithms.

Author: Diloram Sultankhodzhaeva
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