Bitcoin and Altcoins Rebound After Sharp Sell-Off Driven by Profit-Taking

• Bitcoin and Ethereum prices tumbled overnight before recovering to trade 15% above Wednesday's lows • Decline attributed to profit-taking and flush of leveraged bets; sentiment shifted after dovish Fed speech • Layer-2 platforms and meme coins led the broader recovery, jumping 25% and 16% respectively • Dogecoin climbed 18% on news that Coinbase plans to launch DOGE futures on April 1 • Coinbase said DOGE has "transcended its origins as a meme to become a staple of the cryptocurrency world"