Trader 0xff84 has increased a Bitcoin short position to 2,000 BTC, valued at $125.37 million, and is now the largest on-chain BTC short position monitored by Lookonchain. The trade was showing an unrealized profit of $1.79 million at the time of the update, with liquidation set at $63,528.92. A short position is a bearish wager that profits if Bitcoin falls, while liquidation is the price level at which an exchange forcibly closes a leveraged trade if losses become too large.