Part of the strong security advantage of decentralized or non-custodial platforms is the ability to hold your keys for as long as possible, without worrying about exchange hacks or shut down... As long as Bitcoin still exist, you can always access your coins with your keys. But it's not the case with centralized or custodial managements. Many old exchanges have shutdown with users struggling or unable to recover their coins.

Another security advantage of selfcustody is that your biometrics data or private/sensitive info is not revealrevealed to strangers who may do whatever they want with it.

*It's important to have multiple copies of your private keys saved in safe locations, and it won't easily get lost without one or more backups.

Part of the strong security advantage of decentralized or non-custodial platforms is the ability to hold your keys for as long as possible, without worrying about exchange hacks or shut down... As long as Bitcoin still exist, you can always access your coins with your keys. But it's not the case with centralized or custodial managements. Many old exchanges have shutdown with users struggling or unable to recover their coins.

Another security advantage of selfcustody is that your biometrics data or private/sensitive info is not reveal to strangers who may do whatever they want with it.

*It's important to have multiple copies of your private keys saved in safe locations, and it won't easily get lost without one or more backups.