Because no ada ever leaves the delegator's wallet, ISPOs avoid the custody risk of traditional token sales: the only thing at stake is the staking yield the participant chooses to redirect.
A fundraising method where supporters delegate ada to a designated stake pool and receive the project's tokens in lieu of staking rewards; participants keep custody of their ada throughout.
Because no ada ever leaves the delegator's wallet, ISPOs avoid the custody risk of traditional token sales: the only thing at stake is the staking yield the participant chooses to redirect.