SAFE vs Convertible Note: A Founder's Guide to Choosing the Right Early-Stage Financing
A SAFE is a contract granting future equity with no maturity or interest, while a convertible note is a loan with 4–8% interest and an 18–24 month maturity that becomes due if no priced round closes — and Y Combinator's 2018 post-money SAFE locks each investor's ownership at Investment ÷ Cap, dilution that hits founders, not prior SAFE holders.
