Solana (SOL) has declined 40% from its all-time high of $293 in January as the meme coin bubble bursts.The popularity of Solana was driven by meme coin minting and speculation, which has started to fade.Insiders have been extracting large amounts of money from Solana meme coin launches, leading to a loss of confidence.In contrast, Ethereum (ETH) has seen a surprise move with prices topping $2,830 before falling back.