Ethereum sidechain Gnosis Chain is going to execute a Merge on 8 December. Gnosis Chain transitions from PoA to PoS, following Ethereum Merge. This will be the second-ever Merge in the blockchain industry. A major Ethereum sidechain Gnosis Chain is going to execute a Merge today (8 December), transitioning from proof-of-authority (PoA) chain to proof-of-stake