I think many haven't realized that the crypto bubble phenomenon isn't actually new. Price bubbles have occurred many times throughout financial history, from the Tulip Mania in 17th-century Netherlands, the dot-com bubble of the 2000s, to now in the form of digital assets. What’s different now is that the crypto bubble can form within weeks or months, not years.

Over the past decade, cryptocurrencies have evolved from an experimental concept into one of the most sought-after assets. Bitcoin, Ethereum, thousands of altcoins—all have successfully attracted retail investors, institutions, and even governments. But this rapid growth also brings unavoidable problems.

So what exactly is a crypto bubble? In short, it’s a condition where the price of crypto assets rises far above their fundamental value. The price increase isn’t driven by real technological adoption or increased project utility, but purely by hype and excessive speculation. Its characteristics are clear: prices rise very quickly, investors believe prices will keep going up, retail participation floods the market, and there’s no relationship between price and fundamentals.

I’ve noticed several factors that usually trigger a crypto bubble. First, whenever a new innovation appears—like ICOs, NFTs, DeFi—people immediately rush to join. Second, FOMO (fear of missing out) plays a big role. When people see others making big profits, many fear missing out. Third, crypto is easily accessible—just a smartphone and internet, anyone can buy. Fourth, regulations are still evolving, so many scam projects lurk around. Fifth, media and influencers can easily spark market euphoria.

Looking at history, there are some classic examples worth remembering. 2017 was the golden era of ICOs. Thousands of crypto projects emerged promising to build revolutionary technology, but only had whitepapers without real products. As a result, over 80% of ICOs in 2017 turned out to be scams or total failures. Then in 2021, the crypto market heated up again with NFTs and DeFi. NFTs like Bored Ape Yacht Club sold for millions of dollars, and DeFi tokens surged hundreds of percent. But then NFT prices plummeted drastically, and many DeFi tokens lost over 90% of their value.

So, how can you recognize a crypto bubble early? There are some indicators to watch for. First, unreasonable price increases in a short period. Second, projects start making exaggerated promises. Third, ordinary people begin rushing into the market. Fourth, media and influencers dominate the narrative, not the fundamentals. Fifth, asset valuations are completely irrational.

To avoid getting caught, here are some tips you can follow. First, always do your own research (DYOR) before investing. Don’t believe the hype blindly. Second, focus on the project fundamentals, not short-term prices. Third, diversify your portfolio so all your money isn’t in one asset. Fourth, set an exit strategy before entering. Fifth, use trusted platforms for trading. Sixth, avoid FOMO—that’s the main enemy of investors.

Ultimately, the crypto bubble is a natural phenomenon in the crypto market cycle. Investor psychology, technological hype, and excessive speculation are always the triggers. Classic examples like ICOs in 2017 and NFTs/DeFi in 2021 teach an important lesson: not everything that shines is gold. As an investor, understanding the signs of a crypto bubble and having strategies to protect yourself are very important. With thorough research, discipline, and not being swept away by euphoria, you can survive even when the bubble bursts.