The modify needs to be seamless for those who hold ether. Funds will nevertheless be available without any user action. "There is not any these types of issue as 'aged ETH'/'new ETH' or 'ETH1'/'ETH2' and wallets do the job exactly the same once the Merge since they did in advance https://ethbase79876.therainblog.com/26404371/manual-article-review-is-required-for-this-article