A crypto KOL posted on platform X that the top-ranked Bitcoin rich list address is a Binance-related address, a wallet address starting with "3" holding over 200,000 BTC. The KOL questioned the security of Binance storing such a large amount of Bitcoin in a single address, expressing concern about the risk of it being compromised by private key collisions. In response, CZ stated, "An address starting with 3 should be multi-signature, right? To find more than three private keys? Trust the math." Analysis suggests that this address likely uses a multi-signature mechanism, and even if private key collisions are theoretically possible, the actual difficulty of cracking it is extremely high.