FTX attacker mixed $7.3 million in BTC today and has now mixed approximately 60% of stolen assets

According to Arkham monitoring, the FTX attacker today mixed $7.3 million worth of Bitcoin. Approximately 60% of the original stolen assets have been mixed, which is worth over $600 million at today's prices.
It is reported that the FTX attacker initially bridged 4,540 BTC through the Ren Protocol in late November 2022, worth about $75 million at the time and now worth over $185 million.In October 2023, they exchanged $142 million worth of ETH into BTC through Thorchain and immediately deposited it into a mixer. If converted at market rates and held in BTC form, this asset is now worth over $220 million.