Here's a condensed version of the major events happening in the crypto world this week:

1. Stars Arena was hacked and 3 million dollars of AVAX was stolen.

2. The hacker who attacked HTX returned the stolen funds and won a reward.

3. Sam Bankman Fried's trial begins; The co-founder of Alameda Research and FTX testified.

4. Ledger laid off 12 percent of its staff for macroeconomic reasons.

5. CMCC Global launches $100 million crypto fund.

6. Binance announced that it will stop BUSD lending until October 25.

7. Brazil will introduce blockchain-based digital identity.

8. Conflux and LayerZero partnered to develop blockchain-based SIM card.

9. Sui Foundation announced a $51.3 million ecosystem fund to expand the DeFi ecosystem.