Next week or roughly four days from now, the merge is expected to be implemented and Ethereum will transition from Proof-of-Work (PoW) to Proof-of-Stake (PoS). According to Ethereum developers, before the Paris upgrade, programmers successfully completed the 13th and final shadow fork.
Ethereum's 13th and final shadow fork is complete
On Friday, social media was abuzz with The Merge and Ethereum's transition from PoW to PoS. Additionally, ETH developer and Ethereum research and engineering company Nethermind revealed that the last shadow fork is now complete. Basically, a shadow fork is an upgrade applied to an existing version of Ethereum's mainnet, and generally, the public is unaware of the testing phase.