Recently, the topic of "Airdrop" within the Bitcoin community has attracted widespread attention. However, these so-called airdrop activities are mostly not official actions of the Bitcoin network, but are divided into two main categories.

First is the name-lending marketing. Some emerging projects use the banners of "Bitcoin upgrade" or "community rewards" to attract users to participate in their token distribution, which is essentially a marketing strategy. Second is the ecological opportunity. New projects based on Bitcoin's underlying technology (such as Ordinals, Runes protocol) or sidechains/Layer2 may distribute new tokens to early Bitcoin holders who interact with them at the time of launch.

However, participating in these activities carries significant risks. Fraudulent activities are rampant, with numerous fake Airdrop links attempting to lure users into connecting their wallets or leaking their private keys, which could result in stolen assets. In addition, many Airdrop tokens lack real value support, experience extreme price fluctuations, and may even go to zero.

For users who intend to participate, it is recommended to adopt the following strategies: First, only trust the official channels clearly announced by the project party and remain highly vigilant about unexpected "surprise" links on social media. Second, use a small fund wallet specifically for interaction, isolating major assets to reduce risk. Finally, thoroughly research the project's background and rules to avoid blindly following trends.

Looking ahead, with the expansion of the Bitcoin ecosystem, especially the development of Layer 2 solutions, we may see more compliant airdrop activities with real application scenarios. However, security and discernment will remain the core considerations for users participating in these activities.

Overall, Bitcoin Airdrop is not an opportunity to obtain BTC out of thin air, but rather a derivative phenomenon in the evolution of the Bitcoin ecosystem. This field is rife with opportunities and risks, and investors need to maintain a clear mind, conduct careful research, and strictly adhere to safety principles in order to discern the true from the false in this wave, avoid potential traps, and seize possible opportunities.