• The hacker who exploited the DeFi protocol has rejected the platform's offer of retaining 10% by mixing 1000 ETH in Tornado Cash.
• The hacker mixed 1,000 ETH (worth nearly $1.65 million) through Tornado Cash, through ten transactions, by sending 100 ETH in each to an intermediate address.
• The hacker now has 1500 ETH in the wallet address that orchestrated the attack.
• The protocol was subjected to a flash loan attack, which exploited a vulnerability in the code that had been present for over eight months.
• The hacker stole $8.7 million in the DAI stablecoin, $18.5 million in Wrapped Bitcoin (WBTC), $135.8 million in Staked Ethereum (stETH), and $33.8 million in USDC.
• The team offered the hacker a 10% bounty with a plea to return the remaining funds.
• The hacker rejected this proposal and had chosen to retain the stolen funds for themselves.
• The hacker transferred some funds to an investor who had directly messaged them to accept the bounty offer.

The article has a negative sentiment as it talks about a hacker who exploited a DeFi protocol and stole millions of dollars. The hacker rejected the platform's offer of retaining 10% and chose to keep the stolen funds. The article also mentions that law enforcement agencies have a much harder task to nail them down using conventional tracking methods.