Bitcoin, Ethereum and Solana are the top 3 altcoins that whales are betting on.Bitcoin whales have been accumulating the cryptocurrency at a rapid pace as institutional demand surpasses retail demand.BlackRock, the world's largest asset manager, is also adding to its Bitcoin holdings.Ethereum whales are also accumulating the cryptocurrency, with an influx of 598,000 ETH to large addresses in the past week.New Ethereum wallets are also being created at a rapid pace, indicating growing interest in the cryptocurrency.Ethereum's fast growth of tech, recent improvements in scalability solutions and the ongoing expansion of DeFi are boosting its potential.Solana is also drawing serious whale interest as evidenced by three major whale addresses withdrawing large amounts of SOL.Over 140 million new users joined Solana in October 2024 and the daily active addresses reached 123 million which is the highest we've seen this year.Whales move the market and knowing which altcoins are in their wallets is a smart strategy.These three altcoins, Bitcoin, Ethereum, and Solana, are on the radar of crypto whales.