Solana’s network volumes more than doubled from $1.5 billion on Monday to $3.3 billion, with costs of at least $750,000 per day, DefiLlama details shows. Fees generated by Pump, a popular platform used to issue new memecoins on Solana, rose to $535,000 in the past 24 hours compared to less than $300,000 on Monday — indicating higher risk-taking activity among traders.