Delta Financial, a new on-chain options layer, is already making a big splash in DeFi—by waging war against Uniswap.  As reported by Decrypt, shortly after Delta launched their DELTA token on Uniswap on March 28, Uniswap’s 24-hour trading volume rocketed up 450%, from $1.2B all the way up to $7.2B. $DELTA accounted for $6.1B, or…