Don't hold some good but random altcoins for a long time. If you still want to hold then don't leave their telegram group or other social accounts, check updates on a regular basis. Because if you just hold and keep it in a wallet for 2 years then who knows after 2 years your coin's value may turn into zero value, because of the swap!
You aren't the first to experience this and probably won't be the last. Making our investment security our number one priority is something many Investors take for granted that's why issue like this come up every now and then. Assuming you're not comfortable staying in the telegram group due to the numerous spam and off topic discuss, you can follow other social media channels of the project that way you won't be left behind Incase of any development. Telegram channel is a more preferable news update medium.
Also, if I'm not mistaking we have service providers that offer this kind of service where information relating to upgrades, blockchain swapping and exchange listing of different project are been posted daily. Following this channels will save you the stress of experiencing similar situation.