The best way and safest way is to use multisig wallet with cosigners relevant to different manufacturers and developers.

Here you can find the practical guide on how to create such multisig  using software (Sparrow) and hardware (Paasport 2) wallets. The proposed scheme can be easily adjusted  to scale any number of cosigners. Employed 2 of 3 multisig and forget worries concerning the safety of your stash.