Zeta Markets co-founder Tristan Frizza revealed during the ongoing Solana Breakpoint conference in Singapore that the company is developing a Solana Layer 2 called Bullet, with a testnet coming in Q4 and mainnet in Q1 next year. Bullet is positioned as a zk-rollup project that utilizes Solana as a settlement and data availability layer. The first decentralized application (dApp) in the Bullet ecosystem is set to be Zeta X, a perpetual central limit order book (CLOB) platform.