#比特币Layer2扩展 Wait, is Bitcoin Layer2 really coming? 🤔 I've always heard about Ethereum's Layer2 solutions like Arbitrum and Optimism, but I haven't really understood Bitcoin's L2. After reading this forecast article, I realize that by 2026, Bitcoin Layer2 could become a major event, and there are a bunch of teams pushing it behind the scenes.



What shocked me the most was this sentence—"The launch of the first Bitcoin Layer2 will challenge the notion that 'BTC is just a meme coin or outdated relic'." It feels like Bitcoin is no longer just "holding to wait for appreciation," but can really have an ecosystem of applications? This idea is a bit revolutionary to my previous understanding.

Honestly, I’m still a bit confused. What exactly is the difference between Bitcoin Layer2 and Ethereum's Rollup? Are the principles similar, just to expand transaction speed and reduce fees? Also, if Bitcoin L2 really takes off, which projects should I focus on as a newcomer? Could it be another cycle of "new narratives, new opportunities, new risks"? 😅

Can experienced folks give me a quick explanation? I feel like understanding the basics before stepping into the pit is especially important.
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