Wu said he learned that the encryption start-up project Burnt received strategic investment from Circle Ventures, and the specific amount has not yet been disclosed. It launched the XION public testnet. XION uses USDC as the main transaction currency, allowing any application built on XION to price assets in USDC. Burnt raised $300 in May 2021 for Burnt Finance, its decentralized auction protocol built on Solana…