Gold

There are limits to the amount of gold a player can carry.
And a player loses gold when he dies.
These information are listed in the Arreat Summit's page on The Basics

Character
Limit of gold carried
Limit of gold in stash
Type of game	Single player Networked
Type of death	Killed by another player Others
Gold carried
Gold in stash

Gold lost on death
Gold dropped to the ground on death