Usually the dilution doesn't matter because the valuation goes up so much each funding event that you still end up ahead in total value. If it doesn't, well, th

Usually the dilution doesn't matter because the valuation goes up so much each funding event that you still end up ahead in total value. If it doesn't, well, that is usually the company failing, not you getting cheated. It is possible to have the ability added to your contract to let you bail out on any funding event, this is usually only given to executives, however.