It is absurdly cheap to buy hardware wallets rn
see the jade as an example
the bank of england could set up multi vendor multi-sig today for the Governor, his Money Printer in Chief and the Paper Cut Security Lead for just £200 a head!
they just need to add a trezor and a bitbox each
it's never been cheaper to custody 60,000 BTC!! 🇬🇧🇬🇧