The top 100 cryptocurrencies by market capitalization experienced varied movements on March 31, 2026. Leading the gainers, River (RIVER) surged 21.2% to $17.81, followed by Midnight (NIGHT) with a 13.27% increase to $0.05095. Zcash (ZEC) rose 9.44% to $246.89, Algorand (ALGO) climbed 6.51% to $0.08897, and UNUS SED LEO (LEO) edged up 2.9% to $9.98.Conversely, Siren (SIREN) led the decliners, plummeting 41.55% to $1.01. LayerZero (ZRO) fell 8.93% to $1.81, Sei (SEI) dropped 7.73% to $0.0489, Hedera (HBAR) decreased 6.36% to $0.08361, and Hyperliquid (HYPE) slipped 5.51% to $36.13.