it's much simpler!)))) she has her key, he has his.... the addresses are known only to them.) and each of them can look) balances are the same... there are three more balances... but it belongs to the children)) and the fourth, it is the grandchildren))) they will decide themselves)))) stop imposing ... it's beginning to look like aggression... you want to buy a new boat as a family? for 21,000,000 satoshi?? so what's the problem each of you pool 7,000,000 satoshi and buy it))) If you don't pool your money you won't swim, because you don't have enough to buy it)))) It's logical, isn't it?