The post Worst Performing Altcoins of 2025: What Went Wrong appeared on BitcoinEthereumNews.com.

The late-year sell-off turned many high-beta tokens red, including BTC $88 868 24h volatility: 1.5% Market cap: $1.78 T Vol. 24h: $37.27 B and ETH $2 983 24h volatility: 1.7% Market cap: $360.54 B Vol. 24h: $19.33 B . Looking at data from aggregators like CoinMarketCap or Coingecko, we see that most of the poor performers have lost around 80% this year. This includes PEPE $0.000004 24h volatility: 2.2% Market cap: $1.75 B Vol. 24h: $196.94 M , once a meme-coin leader that has since lost 79% of its value, along with other high-profile altcoins. 10 worst-performing altcoins in 2025 | Source: CoinMarketCap In this article, we will take a close look at Celestia (TIA), Optimism (OP), and Artificial Superintelligence Alliance (FET/ASI). Below is a review of how far each altcoin fell in 2025, what drove the moves, and how the market responded. Celestia (TIA): -90% TIA $0.47 24h volatility: 0.9% Market cap: $400.49 M Vol. 24h: $31.74 M , a  proof-of-stake L1 blockchain optimized for app creation, lost almost 90% year-to-date. According to CMC, it fell from about $5.5 at the start of 2025 to $0.46  near year-end. Celestia (TIA) price in 2025 | Source: CoinMarketCap Mostly, the drop was due to the unlock and overhang dynamics. Celestia’s vesting and 2024–26 unlock cadence kept selling pressure steady in 2025. By summer, TIA was mainly viewed as a textbook post-airdrop unwind. CoinDesk analysts tied its continuing emissions to thin liquidity. Moreover, in August, Celestia Foundation disclosed it bought back 43.45 million TIA from Polychain (around $62.5 million at the time). The move was meant to steady the token supply, but instead spotlighted investor selling. The post on X quickly provoked a reaction from the crypto community. “This is a new level of grift tbh. Translation: We will now take $TIA tokens…

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Filed under: News - @ December 30, 2025 4:28 pm