A Simple Agreement for Future Equity (SAFE) is a financing instrument that allows startups to raise capital from investors without immediately issuing shares or determining a company valuation. Instead, investors provide funding in exchange for the right to receive equity in a future financing round. When a triggering event such as a priced funding round occurs, the SAFE converts into shares according to the terms outlined in the agreement. Angel School teaches founders and investors how SAFE agreements simplify early-stage fundraising while reducing legal complexity and negotiation time.