Solana-based (SOL) decentralized exchange OptiFi mistakenly closed its program on August 29, losing $661,000 of its funds permanently. OptiFi’s program has been closed by mistakes we made. TL;DR 1. We accidentally closed the OptiFi mainnet program and it’s not recoverable2. 661k USDC is locked in the PDAs, luckily 95% of the fund is from our…