I guess is rational to increase "security" with "quantity"

iguano

тоесть дело в цене? а как быть если 10 сатоши будет стоить ещё больше? 

selfish_gene

bitcoin

This is why you should generate new receive addresses for every transaction.

moel

Also, storing $2 billion worth of BTC on a single-sig address is crazy.

$2 billion is enough to pay a team to write an entire multisig wallet, with plenty of extra to pay for a few more teams to audit it.