$CATI I want to bequeath all my property to my cat. How to do this using Web3 tools$DOGE $WIF

I have worked all my life, traded, looked for "golden crosses" on the charts, carefully saved every satoshi in my Web3 wallet, never had enough time for my personal life, and now the time has come to retire. What to do if I want to bequeath my crypto wealth to my only close being — my beloved cat, but I only trust smart contracts?