Back argued that many alternative cryptocurrencies still lack sustainable long-term value and suggested that speculative assets driven mainly by hype could struggle as market conditions tighten. His comments also touched on his concerns surrounding meme coins like Dogecoin, Shiba Inu, and Pepe, which still maintain strong trading activity despite questions about their long-term value and durability.
Bitcoin Dominance Is Crushing Altcoins
Blockstream CEO Adam Back once again criticized altcoins and meme coins, and argued that the crypto market may finally be moving toward what he believes is a more realistic valuation of these assets.
In a recent post on X, Back stated that he expected the efficient market hypothesis to eventually drive many altcoins toward “$0,” and added that he first made this prediction about a decade ago. According to him, it has simply taken longer than expected for markets to recognize what he described as “air tokens” with little sustainable value.
Back’s comments are part of a long-standing divide in the cryptocurrency industry between Bitcoin maximalists and supporters of alternative blockchain projects. Bitcoin-focused investors argue that Bitcoin stands apart from the rest of the crypto market because of its decentralized structure, fixed supply, strong security model, and long operating history. From this perspective, many altcoins and meme coins are seen as speculative assets that lack the durability or economic foundations that are necessary to survive over the long term.
Back’s comments came at a time when Bitcoin dominated a big share of the overall crypto market. With Bitcoin dominance being close to the 59% range, a large amount of investor capital stayed concentrated in BTC rather than rotating aggressively into alternative cryptocurrencies. Historically, periods of high Bitcoin dominance tend to place pressure on altcoins, as traders become more selective and liquidity flows toward assets seen as safer or more established.
Bitcoin dominance (Source: CoinCodex)
This environment made it harder for many smaller crypto projects to sustain long-term rallies. While some altcoins and meme coins still experience sharp price increases during periods of strong market optimism, they also tend to suffer deeper corrections when sentiment weakens or liquidity tightens.
Back specifically pointed to meme coins as a vulnerable segment of the market because many are driven primarily by online hype, viral trends, and speculative trading activity rather than utility or revenue generation.
Top meme coins by market cap (Source: CoinCodex)
Despite the criticism, the meme coin sector still commands billions of dollars in market value. Popular tokens like Dogecoin, Shiba Inu, and Pepe have strong communities and active trading volume. However, Back is still unsure whether these assets can maintain lasting value once speculative momentum fades and market conditions become less favorable.