Stakefy is a payment infrastructure protocol targeting for on-chain subscription economy, introducing StakePay—a staking-powered access model that enables users to unlock services by locking crypto assets like SOL, USDC, or the native $STFY token instead of traditional recurring payments, allowing capital retention while service providers capture staking yields (ranging 6-45% APY) as aligned, sustainable revenue streams across 15+ categories from streaming to SaaS.