Lighter

**Lighter expands collateral options on Robinhood Chain** The $USO stock token is now available as collateral on the Lighter trading platform operating on Robinhood Chain. This follows the recent addition of $SPY, one of the world's most widely held assets, which became available as collateral just days earlier. **Key developments:** - $USO joins $SPY as accepted stock token collateral - Users can now back trading positions with these tokenized assets - Additional stock tokens planned for future collateral eligibility - All trading activity occurs on [Lighter's Robinhood Chain platform](http://robinhoodchain.lighter.xyz/trade) The rollout began on July 18 when stock tokens first became eligible as collateral, with $SPY launching July 19 and $USO following on July 23.

KiloEx has announced a strategic partnership with KUB Chain to introduce perpetual trading and additional offerings throughout the KUB Chain ecosystem. **Key Points:** - Partnership aims to bring perpetuals trading to KUB Chain - Expansion includes other unspecified offerings across the ecosystem - Follows previous collaboration with Baumztrade focused on improving on-chain perpetuals This partnership represents KiloEx's continued expansion strategy, building on their recent alliance with Baumztrade to enhance trading speed, liquidity, and performance standards.

A new real-world asset (RWA) perpetual futures market has launched for **$GEV**, offering traders up to **10x leverage**. **Key Details:** - $GEV joins a growing list of RWA perpetual markets - Maximum leverage available: 10x - Part of an expanding platform offering traditional assets on-chain This listing continues a trend of adding diverse real-world assets to decentralized trading platforms, including recent additions like $XIAOMI, $TENCENT, and various tech stocks and pre-IPO companies.

**Building Speed on Verifiable Infrastructure** Lighter's team discussed their approach to rapid product development while maintaining full ZK rollup verification. The conversation between @vnovakovski and @VitalikButerin covered two key areas: - Development of the Lighter EVM - Integration of option markets into the platform **Engineering Cost Breakthroughs** The engineering team achieved significant reductions in transaction proving costs, positioning Lighter as the market's lowest-cost verifiable product. This technical advancement addresses a common challenge in ZK rollup systems: balancing verification security with operational efficiency. The discussion highlighted the practical considerations of maintaining verification standards while accelerating feature deployment.