You cannot do this with people who take the game too personally, obviously! Since a large part of it relies on trust (a loan without collateral puts you at hug

You cannot do this with people who take the game too personally, obviously! Since a large part of it relies on trust (a loan without collateral puts you at huge counterparty risk) it sort of only works if you play repeatedly with sort of the same people, so they have an incentive not to screw you over.