Solana's stablecoin supply surged by 57% following the launch of Donald Trump's memecoin, reaching $9.6 billion from $6.1 billion in just three days. The memecoin launch led to a significant increase in trading volume on Solana's network, with $39 billion in DEX trading on Sunday, surpassing previous records. The memecoins, paired with Circle's $USDC, caused a rise in Solana-native $USDC demand, prompting arbitrage activities. Despite the memecoin's speculative nature, the increase in stablecoin supply could have positive implications for Solana's ecosystem, particularly in payments and stablecoins, which are considered underrated sectors by Solana founders.