Altcoins Toncoin, Siren, and Venice Token rally on upgrades and strong fundamentals; Pi and others see declines.

This week, altcoins Toncoin (TON), Siren (SIREN), and Venice Token (VVV) led market gains driven by protocol upgrades, strong fundamentals, and sustained development activity. Toncoin surged over 80% following fee reductions and Telegram ecosystem improvements, while Siren and Venice Token also posted significant rallies after consolidations. Conversely, Pi (PI) and other tokens like Sky (SKY) and UNUS SED LEO (LEO) experienced modest declines amid selective capital rotation toward stronger assets. The market showed a mix of profit-taking and continued demand, suggesting cautious optimism for altcoins with solid fundamentals going forward.