I cannot store many altcoins with trezor or ledger nano s.what is the solution to store coins for long term that are not supported to trezor or ledger?
The most secure option would be to download a software wallet for every altcoin you own, run them on your private PC/laptop, and store your wallets there. You might want to backup your wallets to a flash drive or external hard drive in case of complete destruction of the PC. And of course, your wallets would be safer if you treat your computer very wisely regarding web browsing, p*rn watching etc.
