Ethena (ENA) experienced a 22.55% price spike, reaching $0.4059.Ethena Labs proposed adding Solana (SOL) as collateral for its synthetic stablecoin, USDe.USDe is different from other stablecoins as it maintains its $1 peg through collateralizing stablecoins and a hedged trading strategy.The integration of SOL as collateral is pending approval from Ethena's Risk Committee.