Keeping your digital assets in an exchange wallet is comes with added risks, so storing your cryptocurrency there for a long period of time is not a good idea.
Is it safe to keep crypto on Coinbase exchange?
Your Money is Secure
While it is never 100% safe to your money on any online exchange, Coinbase is one of the safest web wallets you can use. Coinbase keeps almost 99% of their assets in an offline cold storage that can't be accessed — when in cold storage, they cannot be hacked!
Is it safe to keep Bitcoin on exchange?
Cryptocurrency exchanges and third parties offer storage for your coins through hot wallets, which are secure, but still online (and therefore still susceptible to hacking). Crypto held on an exchange or in a wallet is not FDIC-insured like money in the bank.