Investing in the three cryptocurrencies SAND, CELO and Puppies requires analysis from their respective application scenarios and market potential:

1. **SAND (The Sandbox)**: SAND is the native token of The Sandbox metaverse platform, which is mainly used to purchase virtual land, items and pay for services. With the rise of the concept of the metaverse, people's interest in the virtual world is growing, and SAND plays an important role in virtual asset transactions and user-generated content ecology. If the metaverse continues to develop and The Sandbox platform is able to expand its user base, SAND is expected to achieve long-term appreciation. However, the metaverse market is highly volatile, and investors need to pay attention to the risk of price fluctuations.

2. **CELO**: CELO is a blockchain project focusing on mobile payments and financial inclusion, aiming to make financial services more accessible and usable through decentralized technology. CELO supports the issuance of stablecoins, enabling users to conveniently make global payments and remittances through their mobile phones. With the expansion of the digital payment market and the development of decentralized finance (DeFi), CELO has the potential to become a crypto asset with practical application value. However, its performance may be affected by regulatory changes and technological advances.

3. **Puppies**: As a type of meme coin, the market performance of Puppies is often closely related to community popularity and market sentiment. Although Puppies may attract attention due to certain events or community activities, meme coins generally have high volatility and uncertainty. When considering investing in Puppies, investors should carefully assess market risks and pay attention to possible scams and bad behaviors, such as some bad actors who may use community popularity to harvest.

When investing in these cryptocurrencies, investors should fully consider their respective risks and returns and make decisions based on their own investment strategies and risk tolerance. At the same time, keep an eye on market dynamics so that the investment portfolio can be adjusted in a timely manner.