Most altcoins have lost the substantial gains they recorded last week. The world's second-largest crypto, Ether, slumped over 10% to $3,302.66, marking its fourth consecutive day of decline. XRP, the world's third-largest crypto, fell more than 7% to $2.19. Solana experienced a 9.5% drop, Polygon slumped 11%, and Cardano fell over 10% to $0.8609. Additionally, users can trade BTC and BGB to share a prize pool of 50,000 BGB in the ongoing Bitget Diamond Thursday event.