Perpetuals are the lifeblood of any efficient market. Healthy perpetuals enable price discovery, price efficiency, trader speculation, and — of course — the chance for outsized gains if you get it right. They let traders use leverage to help determine the value of assets effectively and let marginal liquidity be deployed with maximum effectiveness. On-chain perpetuals for crypto are a potent utility that allow for this important market function loop to take place without the need for a centralised market maker.