A prominent crypto trader, identified as 0x58bro, has secured a $4.5 million profit by shorting over $32 million in altcoins, according to Arkham monitoring. The trader's most significant gains stem from shorting Ethereum (ETH), with $3.04 million earned from $11 million in ETH shorts. The trader plans to expand their ETH short positions by an additional $1.3 million when prices reach the $2,220–$2,490 range.