Binance says it is investigating a "potential security issue" as suspicious outflows reach up to $5.8B; Tether freezes 1.5B+ USDT, Circle freezes 800M+ USDC (The Block)
Onchain data shows about $3.55 billion in incoming transfers to the unlabeled wallet, with nearly $900 million subsequently moved across other wallets.
We haven't written up this one. Techmeme has the full story — the link below goes straight to it.