Cryptocurrency exchange Bitfinex said it will introduce Ethereum CSTs (chain split tokens) in preparation for Ethereum Merge. The exchange plans to bring out ETHW and ETHS corresponding to PoW model and PoS model respectively. This split will be in effect till the Merge process is going on. In case there is no change, ETHS will expire and ETHW will be converted to ETH and if the change is successful, then ETHW will expire and ETHS will be converted to ETH. The exchange has made this split to prepare investors for any outcome.